Question

Simplify: (-2)^-3

a) 8
b) 1/8
c) -8
d) -1/8

Answer 1

-1/8

Explanation:

(-2)^-3

We know that a^-b = 1/a^b

1/(-2)^3

We know (-2)^3 = -8

1/(-8)

-1/8