The magnitude or value of the number.
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To change a decimal to a percentage, all you need to do is multiply it by 100. This is the same as moving the decimal point two spaces to the right. .453 = 45.3%
Change % to decimal by dividing it by 100 or by simply moving the decimal point two places to the left. In this case, 30% will be equal to 0.3. Then divide.
Number to a multiple by a positive power of 10.
First, turn the mixed number into a improper fraction. Then change the improper fraction into a decimal. Then, change it into a percent by moving the decimal point two spaces to the right. Ex: .10 is 10%
you change 31 percent into a decimal by moving the decimal point to the left twice ( or divide by 100 then multiply 42 X .31 13.02