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A percent is simply a decimal number written as a number over 100.

For example, .8 = eight tenths = 8/10 = 80/100 = 80 percent.

Notice, to get from the original .8 to our answer in percent, we just moved the decimal two places to the right (.8 -> 8. -> 80.)

So, to change a percent to a decimal, you just reverse the process, so you move the decimal two places to the left.

80 percent -> 8 -> .8 (as a decimal)

or 65 percent -> 6.5 -> .65 (as a decimal)

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โˆ™ 2011-03-18 18:05:15
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A polynomial of degree zero is a constant term

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Q: When changing a percent to a decimal why do you have to move the decimal 2 places?
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