Use the Laws of Exponents to Simplify $\left(\mathrm{r}^{1 / 4} \cdot \mathrm{s}^{1 / 4}\right)^{2}$

Multiple Choice

Use the laws of exponents to simplify. Write the answer with positive exponents.
- $\left(\mathrm{r}^{1 / 4} \cdot \mathrm{s}^{1 / 4}\right) ^{2}$

A) $r^{1 / 16_{s} 1 / 16}$
B) $r^{1 / 2} s^{1 / 2}$
C) $r^{2} s^{2}$
D) $r^{1 / 8} s^{1 / 8}$