Rewrite Without Rational Exponents, and Simplify, If Possible $\left(9 y^{6}\right)^{3 / 2}$

Multiple Choice

Rewrite without rational exponents, and simplify, if possible.
- $\left(9 y^{6}\right) ^{3 / 2}$

A) $27 y^{3 / 2}$
B) $9 y^{18}$
C) $27 y^{9}$
D) $27^{14}$