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Move the decimal point two spaces to the right.

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Q: How can you mentally multiply a decimal number by 100?
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Multiply by 100 percent?

If you multiply a number by 100%, you are simply multiplying by 1. You can multiply by 100% to change a decimal number or fraction to a percent. (0.25)(100%)=25%. You can also divide by 100% to change a percent to a decimal number. 65%/100%= 65/100 or 0.65.


Do you multiply 2.9 percent x 100 to get the decimal?

whenever you multiply a whole number by a decimal you get a decimal. 2.9x100=290


How do you write a percent from a decimal?

Multiply the number by 100.Add a percentage sign.


How you write decimal as a percent?

You multiply the decimal number by 100 to get your percentage. Ex// .5 X 100 = 50%


How many places do you have to move the decimal point to multiply a decimal number by 1000?

Three. Count number of zeros. If multiply decimal by 100 move decimal point 2 places, etc.


How to get a percentage of a number?

Multiply it by 100. This moves the decimal point so that your answer is no longer in decimal form :)


How do you find the percentage in fractions?

Convert to a decimal number then multiply by 100. eg 3/4 Convert to a decimal (0.75) Multiply by 100 to give percent (0.75 x 100) =75%


What is .72 as a percent?

To find percents from a normal number, you will multiply the normal number by 100, the opposite as going from a percent to a decimal. Therefore, 7.2*100 is equal to 720%.


How do you change a mixed number as a percent?

You can times the number by 100 and get your answer


How can you turn a decimal into a francion?

Take the decimal and multiply by 10. Then put that new number over 100, then simplify.


How do you get the rate in percentage?

Multiply the rate by 100, then express it as a decimal number, followed by the % sign.


How do you get 30 percent of a number?

30 percent as a decimal is 0.3 (divide a percent by 100 to get the decimal value)Multiply the number by 0.3 to determine 30% of the number.