# How do you express p^-1 as a positive exponent?

##### 1 Answer
Feb 25, 2017

Use these rule for exponents: ${x}^{\textcolor{red}{a}} = \frac{1}{x} ^ \textcolor{red}{- a}$ and ${a}^{\textcolor{red}{1}} = a$

${p}^{\textcolor{red}{- 1}} = \frac{1}{p} ^ \textcolor{red}{- - 1} = \frac{1}{p} ^ 1 = \frac{1}{p}$