2006 - 2023 CalculatorSoup of the decimal point. Let me add 1 times 10 to the 0, In each example the input forms are different, but they all produce the same answers in scientific notation and E notation. Remove trailing 0's only if they were to the left of the decimal point. And then you just want Move the decimal 5 places to the left to get 4.59608; a = 4.59608; We moved the decimal to the left so b is positive; b = 5; 5 Scientific Notation Converter Provide a number below to get its scientific notation, E-notation, engineering notation, and real number format. 4. ep . A number is written in standard form when it is represented as a decimal number times a power of 10. to the negative 2, 10 to the negative 2 is 1 So how many times are we All rights reserved. To round significant figures use the How to write 52 thousand in scientific notation? what we're going to have to multiply it by. Here is what happens when you double on each square of a chess board: Values are rounded off, so Technically what Nathan said is true, what the video explained has an "algorithm" to find "this'. Hey, i have a question. https://www.calculatorsoup.com - Online Calculators. If you're seeing this message, it means we're having trouble loading external resources on our website. A scientific notation is a way to represent very large or very small numbers concisely, where a number is written in the form of power of 10, following the formula below: To convert any number to scientific notation, we must follow these two rules: This number 0.0005 can be written as 0.0005 100 in powers of 10. We find that 23 is 8, 24 is 16, and 27 is 128. the negative 10 power. Use the links below to load a sample calculation into the calculator. Direct link to Brittany Harper's post is there a concept for th, Posted 11 years ago. Because 52 miles is 0.052 in decimal form, the scientific notation form for this is 5.2 x 10 ^ -2 Since 5.2 is between 1 and 10, and since the decimal point is shifted two places to the right, the exponent is -2. Examples: 2,700 is written 2.7 10 3; . essentially making the number much If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. . It can also be abbreviated as 52k Numbers and Words to Standard Notation Number Word In figures, the digits in 52 thousand are separated with commas and written as 52,000. This number is. The decimal will be shifted to the left whenever the given number is 10 or greater and the power of 10 is positive. Scientific notation is a way to express numbers in a form that makes numbers that are too small or too large more convenient to write and perform calculations with. STEP 3: Move the original decimal point to its final location. For example, 103 would have the kilo prefix, 106 would have the mega prefix, and 109 would have the giga prefix. Can anyone tell me? Scientific Notation Converter to convert a number into scientific notation or E notation. Then you may see that the 52 thousand in numbers takes more space but if we write that down in scientific notation then it will look like this : move it that many more times to get all of the zeroes I've moved it from scientific calculators. It's between 1 and 10. In scientific notation, numbers are written as a base, b, referred to as the significand, multiplied by 10 raised to an integer exponent, n, which is referred to as the order of magnitude: Below are some examples of numbers written in decimal notation compared to scientific notation: Scientific notation can simplify the process of computing basic arithmetic operations by hand. So we can know how to write: 2.81 x 10^-3. And so the best way Meanwhile, for the exponential term, the power of ten is -2 because the decimal point in 5.2 must be moved two times to the left to arrive at 52 thousandths (0.052). m, the mantissa, must be between 0 and 9.999 n, the exponent, is a positive or a negative integer, including 0. So we can use standard words (such as thousand or million), prefixes (such as kilo, mega) or the symbol (k, M, etc) For example, consider the formula for diameter of a circle, d = 2r, where diameter is twice the length of the radius. If he starts his journey at 6:30 a.m. at what time will he reach his home town? be less than 10. Use this calculator to add, subtract, multiply and divide numbers in scientific notation, E notation or engineering notation. Calculators often use "E" or "e" like this: Example: 3.12E4 is the same as 3.12 104, To figure out the power of 10, think "how many places do I move the decimal point?". So we can use standard words (such as thousand or million), prefixes (such as kilo, mega) or the symbol (k, M, etc), Example: 19,300 meters is written 19.3 103 m, or 19.3 km, Example: 0.00012 seconds is written 120 10-6 s, or 120 microseconds, When the number is 10 or greater, the decimal point has to move, The "digits" part is between 1 and 10 (it can be 1, but never 10), The "power" part shows exactly how many places to move the decimal point, width: Save my name, email, and website in this browser for the next time I comment. Standard form is like scientific notation and is typically used in science and engineering. 0.00000256m wide, 0.00000014m long and 0.000275m high. 2006 - 2023 CalculatorSoup Hope this helps! What if a number is in scientific notation? 1 is equal to 1/10, which is equal to 0.1. Direct link to Jody Volkman's post Chemistry and physics use, Posted 6 years ago. 3.457, and it's going to be multiplied enter a number to convert to standard form, https://www.calculatorsoup.com/calculators/math/standard-form-calculator.php, Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. There was a question 52 thousandths, which I have to turn in scientific notation, I answered 5.2x10^4 because I know 52000 has 3 zeros and I also add 2, so it gave me 10^4 but I was shocked it is incorrect, but why? See the Significant Figures Calculator. There was a question 52 thousandths, which I have to turn in scientific notation, I answered 5.2x10^4 because I know 52000 has 3 zeros and I also add 2, so it gave me 10^4 but I was shocked it is incorrect, but why? And this is the Chemistry and physics use large numbers and this format helps us deal with large and small numbers. At what time will the bus reach Manila? =Answer: To express a number in scientific notation, the. you're going to look for the first non-zero digit. Your email address will not be published. So if I have 1 times 10 is To go from 3.457 to this Required fields are marked *. https://www.calculatorsoup.com/calculators/math/scientific-notation-converter.php, Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. because 5326.6 = 5.3266 1000 = 5.3266 103. Divide the digits normally and subtract the exponents of the powers of 10. How to write 0.52 thousand in scientific notation? If the decimal is being moved to the right, the exponent will be negative. 3868000000 3868000000. Direct link to Johnathan's post Counting Zeroes *clunk, Posted 6 years ago. To round significant figures use the , .5 cm. To enter a number in scientific notation use a carat ^ to indicate the powers of 10. It is written as: where b is the base, E indicates "x 10" and the n is written after the E. Below is a comparison of scientific notation and E-notation: The "E" can also be written as "e" which is what is used by this calculator. there to there. Find standard form of a positive or negative number with the standard form calculator. Your email address will not be published. It can also be abbreviated as 52k. ourselves what it means to be in E notation is the same as scientific notation where a decimal number between 1 and 10 is multiplied by 10 raised to some power. In the given question, the digit term of 52 thousandths is 5.2. In Engineering notation (often named "ENG" display mode on scientific calculators) differs from normalized scientific notation in that the exponent n is restricted to multiples of 3. do you have a video with multiplying scientific notations? To divide numbers in scientific notation, separate the powers of 10 and digits. Thank goodness for scientific notation! Scientific Notation Calculator to add, subtract, multiply and divide numbers in scientific notation or E notation. The resulting decimal number is, Count how many places you moved the decimal point. Advertisement Advertisement The answers are formatted in scientific notation and E notation. to the negative 2, I moved it two over to the left. This is the only number you're so 4,900,000,000 = 4.9 109 in Scientific Notation, In this example, 5326.6 is written as 5.3266 103, 1/100, which is 0.01. Can anyone tell me? When dealing with big and long numbers, it can really be a pain writing out all of them, this is when scientific notation helps out! this decimal 10 times to the left to get 52 thousandths in scientific notation THIS IS THE BEST ANSWER Hello! decimal over to the left. In figures, the digits in 52 thousand are separated with commas and written as 52,000. If the decimal is being moved to the left, the exponent will be positive. Round your , 2 = 81B. much, much smaller. In this example scientific notation calculation we're solving 1.225 105 + 3.655 103: 1.225 105 + 3.655 103 = 1.26155 x 105. Sometimes the "times" symbol " x" is . See the 1 times 10 to the To do that, we're in Gravity Freeplay. a is a number or decimal number such that the absolute value of Engineering Notation is like Scientific Notation, except that we only use powers of ten that are multiples of 3 (such as 103, 10-3, 1012 etc). Like if you have 0.5, or one half, it can have infinite zeros after the 5. it would like this: 0.5000000000000000. How long is its work hours? Standard form is a way of writing a number so it is easier to read. A school starts at 7:00 a.m. and closes at 5:00 pm. So it becomes: 000175. Let me just rewrite it. is equivalent to multiplying by 10 to the negative 1 power. Convert a number to and from scientific notation, e notation, engineering notation, standard form, and real numbers. How many zeros does 52 thousand have? 3.457 definitely fits that bill. C Can BCan B In scientific notation a large number is converted to an equivalent decimal number between 1 and 10, multiplied by 10 raised to some power. to the left a bunch. How to write 52 thousand in numbers? negative 1, that's equal to 1 times 1/10, You can also do operations on whole numbers, integers, and decimal numbers and get answers in scientific notation. Write your scientific notation number as a x 10 b and read it as "a times 10 to the power of b." Remove trailing 0's only if they were to the left of the decimal point. Then, the number of decimal places you would have to move over to the left to get to that decimal placing will be the exponent of 10. Now let's think about On the other hand, the power of 10 is negative when the number is smaller than one. number is going to be. The first factor is a number greater or equal to 1, but less then 10. As an example, consider the speed of light which travels at about 671,000,000 miles per hour. How to write 52 thousand in numbers? Posted 11 years ago. Remove trailing 0's only if they were originally to the left of the decimal point. See our 52000 52000. Can you imagine if you had to do calculations with very, very small numbers? it has to be less than 10. Direct link to faryal ahmed's post Hi, I have a question, I , Posted 2 years ago. Direct link to daniel.cox's post Does it always have to be, Posted a year ago. In such cases, the same rules apply. 53,6870,912 is shown as just 5108, That last value, shown as 91018 is actually number times some power of 10 where this number right here-- Answer: 5.210 Step-by-step explanation: Scientific Notation is a way to abbreviate very large or very small numbers using powers of exponents. Move the decimal so there is one non- zero digit to the left of the decimal point. So we could write What I always do is FIRST change both numbers to standard form, multiply them, THEN change the answer back to scientific notation. For example, 3.4 x 10^5 has an order of magnitude of 5 since 10 is raised to the 5th power. D Can A. Remember, you want a number Answer: m (= 5.2) Step-by-step explanation: To convert the number 52 thousandths into scientific notation, follow these steps: 1 - Move the decimal 2 times to right so there is one non-zero digit to the left of the decimal point, untill the resulting number, m (= 5.2), is greater than or equal to 1 and less than 10 (m is the, so called, mantissa). Direct link to Icey Isis's post do you have a video with , Posted 9 years ago. E notation is also known as exponential notation. See tutors like this. Jacob left home at 2:30 p.m. to meet his friend. Once the numbers are all written to the same power of 10, add each respective digit. So if we started This number is. Scientific notation is a way to write very large or very small numbers. The resulting decimal number is, Count how many places you moved the decimal point. That is the answer regarding the given question regarding 78 million in scientific notation. The number form of 52 thousand is written as 52000. To do scientific notation, you will move the decimal point all the way over to the left so there is only one non-zero number before the decimal point. For example, in 4.3 x 106 (which equals 4,300,000; four million three hundred thousand), 4.3 is the coefficient and 6 is the exponent. 2.456 x 10 11. The number after the "e" indicates how many powers of 10. This is so that the numbers align with SI prefixes and can be read as such. The proper format for scientific notation is ax10^b where how many ways the letters of the word ARTICLE be arranged? The power of 10 is positive when the number is ten or greater. First, find the number between 1 and 10: 2.81. Last month, his sales amounted to P34,250. 10 to the first. how many zeroes we have. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. In this example you would want to enter 2.00 for the constant value so that it has the same number of significant figures as the radius entry. The exponent is negative because 52 thousandths (0.052) is smaller than one. 3.456 x 10^-4 = 3.456 x .0001 = 0.0003456. 52 thousandths in scientific notation is 5.2 x . SEATWORK #4: CONVERT MY EQUATIONQuarter 2A. Then you may see that the 0.52 thousand in numbers takes more space but if we write that down in scientific notation then it will look like this : 5.2 10 2 How many zeros does 0.52 thousand have? Use the calculator below to perform calculations using scientific notation. so we have something natural. By convention, the quotient is written such that there is only one non-zero digit to the left of the decimal. Cite this content, page or calculator as: Furey, Edward "Scientific Notation Converter" at https://www.calculatorsoup.com/calculators/math/scientific-notation-converter.php from CalculatorSoup, Can B has a height of 11 cm and a diameter of 7 So this is going to be time to get the 3. Note that the decimal place of the number can be moved to convert scientific notation into engineering notation. than or equal to 1, and it's going to For example, 300 would turn into 3 * 10^2. For example: 3, 4.459, 9.9 The second part is that first number multiplied by 10^x, where x is an integer that changes the decimal place of the first number. number right over here? 25-26.) In line with this, the other details regarding 52 thousandths (0.052) in scientific notation are indicated below. At what time did he come back? very, very small number, from 3.457, to get 3.868109 3.868 . 1 times-- and let me actually Why is 700 written as 7 102 in Scientific Notation ? =Answer: The number of decimal places you move will be the exponent on the 10 10. Steps in Writing Decimal Numbers into Scientific Notation STEP 1: Identify the initial location of the original decimal point. Direct link to Lovish Garg's post Well the answer will be _, Posted 7 years ago. Abbreviate 375,000 using scientific notation is what eactly? If, for example, the solution had instead been 0.17910-2, by convention, we would shift the decimal to the left such that the first digit left of the decimal point wouldn't be 1, then change the exponent accordingly: Engineering notation is similar to scientific notation except that the exponent, n, is restricted to multiples of 3 such as: 0, 3, 6, 9, 12, -3, -6, etc. Cite this content, page or calculator as: Furey, Edward "Scientific Notation Calculator" at https://www.calculatorsoup.com/calculators/math/scientificnotation.php from CalculatorSoup, To convert the number 0.052 into scientific notation, follow these steps: 1 - Move the decimal 2 times to right so there is one non-zero digit to the left of the decimal point, untill the resulting number, m (= 5.2 ), is greater than or equal to 1 and less than 10 ( m is the, so called, mantissa ). =_______am If you measure a radius of 2.35, multiply by 2 to find the diameter of the circle: 2 * 2.35 = 4.70. The decimal will be shifted to the right whenever the given number is smaller than 1 and the power of 10 is negative. 6, 7, 8, 9, 10 times. Another example: Write 0.00281 in regular notation. Let me give you example here. Move the decimal so there is one non- zero digit to the left of the decimal point. 2006 - 2023 CalculatorSoup Direct link to sunnydogs123's post Is there anywhere in the , Posted 7 years ago. 52 thousandths\text{52 thousandths} 52 thousandths which is equal to 1/10. If you were to add a number in there like this: 0.501000, it is no longer exactly one half. In the given question, the digit term of 52 thousandths is 5.2. Type in a value in decimal or 'e' notation Examples: 1.67, 0.01, -0.00001602, 1e10, 1.380649e-23. Notice that the "digits" part can now be between 1 and 1,000 (it can be 1, but never 1,000). For example it will be really hard to write 300000000000, so we write it like 310^11. Direct link to Kim Seidel's post Your number is already in, Posted a year ago. Scientific Notation Calculator Use the calculator below to perform calculations using scientific notation. ), Use Scientific Notation One times 10 to the 0 It accepts numbers in the following formats 3672.2, 2.3e11, or 3.5x10^-12. The order of magnitude when written in standard form, is the nth power of 10. Direct link to clora solai's post Hey, i have a question. going to want to put ahead of or I guess to the left Some examples would be: distances between planets or solar systems, the size of small things like atoms, etc. It is often used for very large or very small numbers. etc. It takes 2 hours 30 minutes to reach there. The number of decimal places you move will be the exponenton the . Consider 1.432102 80010-1 0.001105: 1.432102 80010-1 0.001105 = 1.1456106. The equivalent is So let's think about I always get super confused if I try and be fancy with multiplying scientific notations. Examples: 3.45 x 10^5 or 3.45e5. what you want to do is you want to find the For example: E-notation is almost the same as scientific notation except that the " 10" in scientific notation is replaced with just "E." It is used in cases where the exponent cannot be conveniently displayed. Significant Figures Calculator. The advantage is that we can replace the 10s with Metric Numbers. In figures, the digits in 0.52 thousand are separated with commas and written as 520. Scientific Notation (also called Standard Form in Britain) is a special way of writing numbers: It makes it easy to use big and small values. Use Figure 6.3A to answer the question below.. You can also enter numbers in e notation. Add a decimal point, and you know the answer: 0.00175. If you mark the check box the calculator automatically determines the number of significant figures in the answer. Nathan just restated etc. =__________hours here, we're going to move 1, 2, 3, 4, 5, Answers are provided in three formats: scientific notation, E notation and engineering notation. Let's first convert the three lengths into scientific notation: Then multiply the digits together (ignoring the 10s): 10-6 10-7 10-4 = 10-17 (easier than it looks, just add 6, 4 and 7 together), Easier than writing 1,988,000,000,000,000,000,000,000,000,000 kg If you do not mark the check box, answers may contain more digits than are signficant. Yes, there is! Consider the problem 1.432102 + 80010-1 0.001105: To multiply numbers in scientific notation, separate the powers of 10 and digits. What's happening here? So let's just remind When 605,000 is written in scientific notation, what will be. libgirl11 libgirl11 12/17/2018 Mathematics Middle School answered 52 thousandths in Scientific notation . The same value, in scientific notation, is 1.9 x 10-4. first non-zero number here. Scientific notation Direct link to Denis Orlov's post Is there any short varian, Posted 6 years ago. 3)(1.010 . It can also save space! You have to keep moving the The number form of 52 thousand is written as 52000. Convert the following equation of circles into standard form.1. Standard Form Calculator. Enter a number or a decimal number or scientific notation and the calculator converts to scientific notation, e notation, engineering notation, standard form and word form formats. If you need a scientific calculator see our resources on What is 78 million in scientific notation? skipped a step right there. You can specify conditions of storing and accessing cookies in your browser, Two cans of vegetables were measured. 29-30.) a negative 1 power, I've essentially to this, you have to move the decimal So over here, what And it can be equal to 1, but Scientific Notation Calculator to add, subtract, multiply and divide numbers in scientific notation or E notation. So, the scientific notation for 427000 is 4.27000 10-4, Convert to Scientific Notation Calculator. If I do 1 times 10 Is there any short variant for writing 100000000000000000005000000000000000 in scientific notation? here that's between 1 and 10. 21-22.) 0.000 002 56m = 2.5610. So we're not going scientific notation. scientific calculators. A laptop has a listed price of 691.99 before tax. number that you're going to want to start off with. Direct link to Kunal Chugh's post Yes, there is! 23 24 = 23 + 4 = 27. How to write 52 thousand in scientific notation? Jasper was 5 years 6 months old when he joined school. It is commonly used in mathematics, engineering, and science, as it can help simplify arithmetic operations. This number 427000 can be written as 427000 100 in powers of 10. this number up here. Rewrite 105,000 in scientific notation. Here are other links that are related to the said topic. Scientific notation is needed in those situations. Direct link to proxima's post The number can never exce, Posted 3 years ago. zeroes to the left of the 3. Standard form is like scientific notation where a number is represented as a decimal number times a power of 10. ( 19 votes) Lovish Garg a year ago Well the answer will be 5.2*10^-2. 5.2104 5.2 10 4. The resulting answer would be 4.70 which has 3 significant figures. Since 5.2 is between 1 and 10, and since the decimal point is shifted two places to the right, the exponent is -2. to think about it, when you move an times 10 to the negative 10 power. If you use this calculator for the calculation and you mark the "auto-calculate" box, the calculator will read the 2 as one significant figure. A number written in scientific notation consists of two factors. The number of decimal places you move will be the exponent on the 10 10. is equal to 1 times 1, which is equal to 1. And, calculators will sometimes give results in scientific notation when you input a calculation that results in a number to large to display. No matter how many zeros you put after the 0.5 it will not change its value. Scientific Notation Converter enter a number or scientific notation Answer: = 3.456 10 11 scientific notation = 3.456e11 scientific e notation = 345.6 10 9 engineering notation billion; prefix giga- (G) = 3.456 10 11 standard form 11 Order of Magnitude for scientific and standard forms = 345600000000 (real number) In line with this, the other details regarding 52 thousandths (0.052) in scientific notation are indicated below. That being said, you can still have it as whole numbers that are less than ten. When I raise it The number of decimal places you move will be the exponent on the 10 10. We can always check that this is true by simplifying each exponential expression. You have to add a bunch of Math, 06.12.2019 05:28, lhadyclaire 52 thousandths in scientific notation (x - 5) ^ 2 + (x + 7) ^ A The two cans have equal volumes.The two cans have equal volumes. Convert from number format to standard form as a decimal multiplied by a power of 10. just to get in front of the 3. When we count zeros in 52 thousand above, we see that there are 3 zeros. to multiply it by a positive exponent of 10. Thus 350 is written as 3.510 2.. All rights reserved. See the Note that the inputs are standard notation numbers. let me write it this way. Step 2 Move the decimal so there is one non-zerodigitto the left of the decimal point. Is there any application for scientific notation? Find an answer to your question 52 thousandths in Scientific notation. by 10 to something. We're going to multiply it https://www.calculatorsoup.com - Online Calculators. The product 8 16 equals 128, so the relationship is true. This is the product rule of exponents. Convert to Scientific Notation 96470000 96470000 96470000 Move the decimal so there is one non- zero digit to the left of the decimal point. The answers are formatted in scientific notation and E notation. clearly just equal to 10. decimal and that number and include the number we want to put here is what that leading this thing up here. to count the leading zeroes between the Direct link to Cameron Holbrook's post how do you convert an end, Posted 3 years ago. Direct link to Andrew Park's post Technically what Nathan s, Posted 3 years ago. Meanwhile, for the exponential term, the power of ten is -2 because the decimal point in 5.2 must be moved two times to the left to arrive at 52 thousandths (0.052). In E notation the "times 10 raised to a power" is replaced with the letter e in either uppercase or lowercase. STEP 4: Write "c" multiplied by some power of base 10. Consider (1.432102) ÷ (80010-1) ÷ (0.001105): 102 ÷ 10-1 ÷ 105 = 10(2-(-1)-5) = 10-2, (1.432102) ÷ (80010-1) ÷ (0.001105) = 1.7910-2. Example: it is easier to write (and read) 1.3 10-9 than 0.0000000013. This site is using cookies under cookie policy . https://www.calculatorsoup.com - Online Calculators. To add and subtract in scientific notation, ensure that each number is converted to a number with the same power of 10. The digits are multiplied normally, and the exponents of the powers of 10 are added to determine the new power of 10 applied to the product of the digits. It's going to be greater answer to the nearest cent, as necessary. Is there anywhere in the real world that we would use scientific notation other then a math worksheet? . Scientific notation will be some Hope this helps! Does it always have to be a decimal or can it be like 32 * 10^2 instead of 3.2 * 10^3? In this example calculation we're adding 1.225e5 and 3.655e3: There are some cases where you would Direct link to 's post Is there an algorithm for, Posted 6 years ago. over 10 squared or 1/100. Advertisement kyla1220 kyla1220 Answer: 52 thousandths is 5.2 x 10^-2 (0.052) Advertisement Advertisement msmith08 msmith08 Answer: St(7.810 . Hope that helps! And in general, Click on the link and then refer to the calculator above. 9,223,372,036,854,775,808. E notation is basically the same as scientific notation except that the letter e is substituted for "x 10^". am an = am + n. Now consider an example with real numbers. So this is one times Direct link to The JVP's post Is there any application , Posted 7 years ago. B More information is needed to solve the problem.More information is needed to solve the problem. Provide a number below to get its scientific notation, E-notation, engineering notation, and real number format. Use the appropriate number of significant figures when you input exact values in this calculator. Because 0.0055 = 5.5 0.001 = 5.5 10-3, We didn't have to move the decimal point at all, so the power is 100. It is quite long, but I hope it helps. 52 thousandths in scientific notation is 5.2 x . Today he is 12 years 3 months old. It can also be written in other ways depending on the context, such as being represented differently in different programming languages. i, Posted 9 years ago. For example, 100 can be written as 1102, 0.01104, 0.0001106, and so on. in scientific notation. write a decimal, which is equal to 0-- let me actually-- I He came back after 3 hr. If you want to write 52 thousand in words, then it will be written as `fifty-two thousand`, Here are some more examples of thousand in numbers, numbers and words to standard notation converter. You can think of constants or exact values as having infinitely many significant figures, or at least as many significant figures as the least precise number in your calculation. After putting the number in Scientific Notation, just check that: Because it makes it easier when dealing with very big or very small numbers, which are common in Scientific and Engineering work. To enter scientific notation into the sig fig calculator, use E notation, which replaces 10 with either a lower or upper case letter 'e'.