Ans: D
$\begin{array}{cl}
& \dfrac{(3y^6)^4}{3y^2} \\
= & \dfrac{3^4 y^{24}}{3y^2} \\
= & 3^3 y^{22} \\
= & 27 y^{22}
\end{array}$
$\begin{array}{cl}
& \dfrac{(3y^6)^4}{3y^2} \\
= & \dfrac{3^4 y^{24}}{3y^2} \\
= & 3^3 y^{22} \\
= & 27 y^{22}
\end{array}$
