SOLUTION: Can you help me solve: (-5x^2z^-3)^2/5xz^-2 x=-2 z=3

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Question 121677: Can you help me solve:

(-5x^2z^-3)^2/5xz^-2 x=-2 z=3
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(-5x^2z^-3)^2/5xz^-2
(-5*-2^2*3^-3)^2/5*-2*3^-2
(-5*4*1/27)^2/5*-2*1/9
(-20/27)^2/-10/9
(400/729)/-10/9
400/729*-9/10
-3600/7290=-360/729=-40/81 answer.