Question

Which expression is equivalent to -8? A=-2^-3 B=(-1/2)^-3 C=(1/2)^-3 D=2^-3

Answer 1

B. (-1/2)^-3

Explanation:

B is the answer. This is because you have to calculate (-1/2)^-3 on a calculator. When I did that calculation, I got -8.

(-1/2)^-3 = (-2)^3 = -2*-2*-2 = 4 * -2 = -8

Hope this helped,

Kavitha

Answer 2

The answer is option B.

Explanation:

`( - (1)/(2) ) ^( - 3) = ( - 2) ^(3) = - 8`

Hope this helps you