# How do you write the expression 5^-8 as a fraction with a positive exponent?

##### 1 Answer
Dec 7, 2016

${5}^{-} 8 = \frac{1}{5} ^ 8$

#### Explanation:

Hi,

This question is asking you take the reciprocal of the given number.

Since, ${y}^{-} n = \frac{1}{y} ^ n$

then,

${5}^{-} 8 = \frac{1}{5} ^ 8$