Operations with numbers and scientific notation

Formula substitution, operations and scientific notation

[Maximum mark: 6]The volume of a sphere, $V$, is given by the formula$V=\sqrt{\frac{S^3}{36\pi}}$where $S$ is the surface area.The surface area of a given sphere is $450\text{ cm}^2$.(a) Calculate the volume of this sphere in $\text{cm}^3$.
Give your answer correct to one decimal place.[3](b) Write down your answer to part (a) correct to
the nearest integer[1](c) Write down your answer to part (a) in the form
$a\times10^k$, where $1\leq a\lt10$ and $k\in\mathbb{Z}$[2]