Answer
$4^{5}$
Work Step by Step
We are given the expression $4^{2}\times4^{3}$.
We can use the product rule to simplify, which holds that $a^{m}\times a^{n}=a^{m+n}$.
In this example, $a=4$, $m=2$, and $n=3$.
$4^{2+3}=4^{5}$
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