Chapter 6 - Percent - 6.2 Percents and Fractions - 6.2 Exercises - Page 397: 53

$\frac{7}{10}$, 70%

We are given the decimal .7. To write .7 as a percentage, we must multiply by 100 and attach a percent sign to the end. $.7=(.7\times100)$%=70% 70%=$70\div100=\frac{70}{100}=\frac{70\div10}{100\div10}=\frac{7}{10}$ Therefore, $\frac{7}{10}=.7$=70%