Question

Simplify:

[(-5^-1)(2^-2)]^2

Answer 1

A negative power is the same as 1/base so:
[(1/-5)(1/2)]^2
= (1/-10)^2
= 1/100

Answer 2

i got .oo25 or 1/400

Answer 3

((1/-5)(1/4))*2 = (1/-20)*2 = 1/400