Answer
$\dfrac{16}{x^4}$
Work Step by Step
RECALL:
The quotients-to-powers rule states that: $(\frac{a}{b})^n=\frac{a^n}{b^n}$
Use the quotients-to-powers rule to find:
$=\dfrac{2^4}{x^4}
\\=\dfrac{16}{x^4}$
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