# Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.2 - Page 33: 41

$=-\frac{64}{x^{3}}$

#### Work Step by Step

When a quotient is raised to a power, raise both the numerator and the denominator to that power: $$(-\frac{4}{x})^{3}$$ $$=\frac{(-4)^{3}}{x^{3}}$$ $$=\frac{-64}{x^{3}}$$ $$=-\frac{64}{x^{3}}$$

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