Question

(-4)p0wer7×(4)p0wer-5

Answer 1

Hey friend, Harish here.

Here is your answer:

We know that :

xᵃ × xᵇ = (x) ᵃ⁺ᵇ

So,

(-1)⁷ × (4)⁷ × (4)⁻⁵  = (-1) (4)⁽⁷⁻⁵⁾ = -1 (4)² = - 16

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Hope my answer is helpful to you.