Question 234014
What equation?

You cannot have an equation without an equal sign.

(-1/2)^-3

Use the rule:

(a)^(negative exponent) = 1/(a)^(positive exponent), where "a" is any integer.

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