SOLUTION: (-r^4s)^2 (-r^3s^5)^5 .... does this equal -r^23s^27 .. i got 2 different answers thanks

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Question 630226: (-r^4s)^2 (-r^3s^5)^5 .... does this equal -r^23s^27 .. i got 2 different answers
thanks
Answer by nerdybill(6957) About Me  (Show Source):
You can put this solution on YOUR website!
You are correct.
(-r^4s)^2 (-r^3s^5)^5
(r^8s^2) (-r^15s^25)
-r^23s^27