Rewrite the Radical Expression Using Rational Exponents $\sqrt[6]{\mathrm{mn}}$ A) $\frac{1}{(\mathrm{mn})^{6}}$ B) $(\mathrm{mn})^{1 / 6}$

Multiple Choice

Rewrite the radical expression using rational exponents. A ssume all variables represent nonnegative real numbers.
- $\sqrt[6]{\mathrm{mn}}$

A) $\frac{1}{(\mathrm{mn}) ^{6}}$
B) $(\mathrm{mn}) ^{1 / 6}$
C) $m^{1 / 6} n$
D) $\mathrm{mn}^{1 / 6}$