Evaluate -4^(3(-1))

$- 4^{3 (- 1)}$

Multiply $3$ by $- 1$ .

$- 4^{- 3}$

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

$- \frac{1}{4^{3}}$

Raise $4$ to the power of $3$ .

$- \frac{1}{64}$

The result can be shown in multiple forms.

Exact Form:

$- \frac{1}{64}$

Decimal Form:

$- 0.015625$