Question

Which expression is equivalent to (x^1/2y^-1/4z)^-2?

Answer 1

Answer: C y^1/2/xz^2

Explanation:

I checked with my calculator.

Answer 2

y^1/2/xz^2 option 3

Explanation:

(x^1/2 y^-1/4 z)^-2= x^(-1/2*2) y^(1/4*2) z^-2= x^-1 y^1/2 z^-2= y^1/2/xz^2