Rewrite the Radical Expression Using Rational Exponents $\sqrt[2]{x^{5} y^{7}}$ A) $\left(x^{5} y z^{7}\right)^{1 / 2}$

Multiple Choice

Rewrite the radical expression using rational exponents. A ssume all variables represent nonnegative real numbers.
- $\sqrt[2]{x^{5} y^{7}}$

A) $\left(x^{5} y z^{7}\right) ^{1 / 2}$
B) $x^{3} y^{-1} z^{5}$
C) $\left(x^{5} y z^{7}\right) ^{2}$
D) $\left(x^{5} y z^{7}\right) ^{-2}$