# Chapter 4 - Proportions, Percents, and Solving Inequalities - Chapters 1-4 Cumulative Review Problem Set: 23

$\frac{8}{27}$

#### Work Step by Step

An exponent of $3$ over the whole fraction means that we raise both the numerator and the denominator to the power of $3$: $(\frac{2}{3})^{3}=\frac{2^{3}}{3^{3}}=\frac{2\times2\times2}{3\times3\times3}=\frac{8}{27}$

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