# Chapter 5 - Section 5.1 - Exponents - Exercise Set: 88

$16a^{4}b^{4}$

#### Work Step by Step

Based on the power of a product rule, we know that $(ab)^{n}=a^{n}b^{n}$ (where $n$ is a positive integer and $a$ and $b$ are real numbers). Therefore, $(2ab)^{4}=2^{4}a^{4}b^{4}=16a^{4}b^{4}$.

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