Question

Which expression is equivalent to the given expression? Assume the denominator does not equal zero.

Answer 1

a

Explanation:

aced test

Answer 2

`\textbf{A. }\quad(b^4)/(a)`

Explanation:

The applicable rules of exponents are ...

(a^b)/(a^c) = a^(b-c)

a^-b = 1/a^b

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The expression can be rewritten as ...

`(a^3b^5)/(a^4b)=a^(3-4)b^(5-1)=a^(-1)b^4\\\\=\boxed{(b^4)/(a)}`