How to turn percents into decimals?

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03-07-2016
Mathematics

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How to turn percents into decimals?

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Suppose Lynn rolls a fair die until a 6 appears on top. What is the probability that it rolls to get a six the first time?

TheRapture TheRapture · Answer 1 · 2016-07-03T14:50:34-04:00

TheRapture TheRapture

03-07-2016

To turn a percent into a decimal you take the percent number and divide it by 100. For example 30% divide by 100 is .3 Alternatively you can move the decimal to the left two places. For example, 50% has the decimal place after the 0 so it looks like this 50.0 when you turn it into a decimal you move it to the LEFT two times. So you end up with 0.50
Look up pictures on google so you can get a visual.

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gloriastudies gloriastudies · Answer 2 · 2016-07-03T14:55:29-04:00

To turn a percent into a decimal, look at where the decimal point already is on the percent. Then, move the decimal point two spaces to the left.
For example: with the percentage 87%, the decimal point is after the seven, but it isn't written because there is nothing in the tenths place (so it's basically 87.0%). Move the decimal 2 spaces to the left to get 0.87%
Another example is 45.9%; don't get confused because the percent is already a decimal. That is not the decimal we want. Move the decimal point 2 spaces to get 0.459 as your equivalent decimal.