Find the value of the following expression : $\large\frac{5.3 \times 10^4 }{3.3 \times 10^{-2}} +$$ \sqrt { 1.6 \times 10^{12}}$

Question

$\begin{array}{1 1}(A)\;2.9 \times 10^6 \\(B)\;2.3 \times 10^4 \\(C)\;4.7 \times 10^4 \\(D)\;7.45 \times 10^2 \end{array} $