# Chapter 3 - Exponents, Polynomials and Functions - 3.1 Rules for Exponents - 3.1 Exercises: 64

$k^{\frac{1}{3}}$

#### Work Step by Step

Step 1: The index of the radical is 3, so the denominator of the fractional exponent is 3. Step 2: Therefore, the expression is written as $k^{\frac{1}{3}}$.

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