Answer
$n^{3}$
Work Step by Step
You have $\frac{n^-{^1}}{n^-{^4}}$.Solve:
$\frac{n^-{^1}}{n^-{^4}}$ -apply exponent rule $\frac{x^a}{x^b}$=$x^{a-b}$.
$n^{-1-(-4)}$
=$n^{3}$
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