## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$t$
$\bf{\text{Solution Outline:}}$ Use the properties of radicals to simplify the given expression, $\sqrt[9]{t^9} .$ $\bf{\text{Solution Details:}}$ Since the index (equal to $9$) is odd, then \begin{array}{l}\require{cancel} \sqrt[9]{t^9} \\\\= t .\end{array}