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Popular >

simplify (-2)^{-3}

Solution

simplify

(- 2)^{- 3}

Solution

- \frac{1}{8}

+1

Decimal Notation

- 0.125

Solution steps

(- 2)^{- 3}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

(- 2)^{- 3} = \frac{1}{( - 2 ) ^{3}}

= \frac{1}{( - 2 ) ^{3}}

(- 2)^{3} = - 8

= \frac{1}{- 8}

Apply the fraction rule:

\frac{a}{- b} = - \frac{a}{b}

= - \frac{1}{8}

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Frequently Asked Questions (FAQ)

What is (-2)^{-3} ?
The solution to (-2)^{-3} is -1/8