Answers: 2
as radical is ![\sqrt[b]{y}](/tpl/images/0470/4581/42800.png)
. Therefore, a expresion of the form 
can be rewritten as![y^{\frac{a}{b}}=\smash[b]{ \underbrace{\sqrt[b]{y} \cdots \sqrt[b]{y}\,}_\text{a-times}}=\sqrt[b]{y^{a}} \\](/tpl/images/0470/4581/27ca2.png)
![y^{\frac{5}{2}}=\sqrt[2]{y^5}](/tpl/images/0470/4581/1bfbf.png)
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Type the expressions as radicals. y5/2...
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