Question 221969
Recall that *[Tex \LARGE x^{\frac{m}{n}}=\sqrt[n]{x^m} \ \ \text{where} \ n \neq 0]


# 1  


*[Tex \LARGE r^{\frac{2}{3}}t^{\frac{1}{3}}=\left(r^2 t^1\right)^{\frac{1}{3}}=\sqrt[3]{r^2 t}]


# 2  


*[Tex \LARGE \left(x^2 y\right)^{\frac{1}{4}}=\sqrt[4]{x^2 y}]