# Chapter P - Section P.3 - Radicals and Rational Exponents - Exercise Set - Page 45: 61

$3$

#### Work Step by Step

RECALL: (i) $\sqrt[n]{a^n}=a$ when $n$ is odd. (ii) $\sqrt[n]{a^n}=|a|$ when $n$ is even. Use the rule above to obtain $\sqrt[4]{(-3)^4} = |-3| = 3.$

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