# How do you express a^-10 as a positive exponent?

##### 1 Answer
Aug 4, 2017

Use this rule of exponents: ${x}^{\textcolor{red}{y}} = \frac{1}{x} ^ \textcolor{red}{- y}$

${a}^{\textcolor{red}{- 10}} \implies \frac{1}{a} ^ \textcolor{red}{- - 10} = \frac{1}{a} ^ 10$