To write a decimal as a percent, multiply by 100 and add the percent symbol.
66.6 %
Fractions, decimals, and percents are three ways to show parts of a whole. We want to write a decimal, 0.6, as a percent. Let's start by rewriting the repeating decimal without using the bar notation!
0.6 ⇔ 0.666...
Now we can recall that to write a decimal as a percent, we multiply the decimal by 100 and add the percent symbol %.
The percent corresponding to 0.6 ends with repeating digits. We can rewrite the percent using the bar notation.
66.6... % ⇔ 66.6 %
We found that 0.6 expressed as a percent is 66.6 %.
