If x = 0.5 and y = 0.2, then the value of 0.6 × ( 3y )^x is equal to?

Answer: Option C

$$\begin{array}{rl}& x=0.5\\ & y=0.2\\ & \sqrt{0.6}\times {\left(3y\right)}^x\\ & =\sqrt{0.6}\times {\left(3\times 0.2\right)}^{0.5}\\ & =\sqrt{0.6}\times \sqrt{0.6}\\ & =0.6\end{array}$$