Answer
$q^{12}$$r^{4}$
Work Step by Step
You have the expression ($q^{3}$r$)^{4}$.Simplify the expression:
($q^{3}$$)^{4}$ $r^{4}$ -raise each factor in the product to a power to raise a product to a power-
=$q^{12}$$r^{4}$
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