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10.9 is a decimal which can also be written as 10 and 9/10

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Q: How do you write 10.9 as a decimal or mixed number?
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How to write 109 tenths in decimal form?

109 tenths in decimal form = 10.9


What is 109 over 6 as a mixed number?

109/6 = 181/6


How do you write the standard number 5217000000 in scientific notation?

You move the decimal left or right until you end up with one digit in front of the decimal. Then, if you had to move the decimal to the left to get this number, you will have ten to the positive power of the number of decimal places moved. If you had to move the decimal to the right to get the number, you will have ten to the negative power of the number of decimal places moved. In this example, 5217000000 = 5.217 x 109


How do you write the number 8.428 109 in standard form?

If the question is about 8.428*109, then it is 8,428,000,000.


How do you write 10.9 in simplest form?

Expressed as a mixed number in its simplest form, 10.9 is equal to 10 9/10 or ten and nine tenths.