Please help me answer this question

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asked Oct 24, 2019 66.8k views

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Kujawk · Answer 1 · 2019-10-29T04:28:06+0000

x= -2, so (3x^3)^2 = (3[-2]^3)^2 = (-24)^2 = 576.

[ y^(-2) ]^2 = y^(-4), or 1 / [y^4].

When y=5, we get 1 / [5^4] = 625

Thus, the whole expression reduces to 576 / 625.

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