Answer:
[tex]y^{\frac{3}{2}[/tex]
Step-by-step explanation:
Let [tex]m=\sqrt{y^3}[/tex]
[tex]m=(y^3)^{\frac{1}{2}}\\\\m=y^{3\times \frac{1}{2}}\ \ \ \ \ \ \ \ \ [as\ (x^a)^b=x^{ab}]\\\\m=y^{\frac{3}{2}[/tex]