A Ssume All Variables Represent Nonnegative Real Numbers $\sqrt[5]{\mathrm{x}^{2} \mathrm{z}^{3}} \cdot \sqrt[5]{\mathrm{x}^{28} \mathrm{z}^{39}}$

Multiple Choice

A ssume all variables represent nonnegative real numbers.
- $\sqrt[5]{\mathrm{x}^{2} \mathrm{z}^{3}} \cdot \sqrt[5]{\mathrm{x}^{28} \mathrm{z}^{39}}$

A) $x^{7} z^{8} \sqrt[5]{z}$
B) $x^{6} z^{8} \sqrt[5]{z}$
C) $x^{7} z^{9} \sqrt[5]{z^{2}}$
D) $x^{6} z^{8} \sqrt[5]{z^{2}}$