Evaluate -2^-3*(-2)^0

$- 2^{- 3} \cdot {(- 2)}^{0}$

Step 1

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

$- \frac{1}{2^{3}} \cdot {(- 2)}^{0}$

Step 2

Raise $2$ to the power of $3$ .

$- \frac{1}{8} \cdot {(- 2)}^{0}$

Step 3

Anything raised to $0$ is $1$ .

$- \frac{1}{8} \cdot 1$

Step 4

Multiply $- 1$ by $1$ .

$- \frac{1}{8}$

Step 5

The result can be shown in multiple forms.

Exact Form:

$- \frac{1}{8}$

Decimal Form:

$- 0.125$