Answer
$\frac{y^{\frac{5}{4}}}{y^{\frac{3}{4}}} =\sqrt y$
Work Step by Step
By the formula on page 9,
$\frac{y^{\frac{5}{4}}}{y^{\frac{3}{4}}} = y^{\frac{5}{4}-\frac{3}{4}} = y^{\frac{2}{4}} = y^{\frac{1}{2}} = \sqrt y$.
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