Evaluate (-5)^-4

${(- 5)}^{- 4}$

Step 1

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{1}{{(- 5)}^{4}}$

Step 2

Raise $- 5$ to the power of $4$ .

$\frac{1}{625}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$\frac{1}{625}$

Decimal Form:

$0.0016$