SOLUTION: Simplify
4(r^5)^-1/ 7(-r^-2)^4
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Question 980141: Simplify
4(r^5)^-1/ 7(-r^-2)^4
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
4(r^5)^-1/ 7(-r^-2)^4
=4r^-5/7(1/r^2)^4
=4r^-5/7(1/r^8); invert when dividing, and r^-5*r^8=r^3
=4r^3/7
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