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## akh14 2 years ago simplify (2x^3y^-1)^2 (-4xy^3)2

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1. ZeHanz

If you apply the rules $(ab)^c=a^cb^c$$(a^b)^c=a^{bc}$$a^ba^c=a^{b+c}$you're done! So let me begin:$(2x^3y^{-1})^2 \cdot (-4xy^3)^2=2^2(x^3)^2(y^{-1})^2 \cdot (-4)^2x^2(y^3)^2$I applied the first rule. Now you apply the second!

2. ZeHanz

Have you got the right answer in the mean time?

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