[填空题]
A sphere made out of gold has a radi 4 sj-d9uodrer26e(yhus of 0.d- :v1+nix jl mp7orvqw(zq 13.2 $\mathrm{~cm}$ .
1. Find the volume of the sphere, expressing your answer in the form a $\times 10^{k}$, 1 $\leq a<10$ and k $\in \mathbb{Z}^{+} $.
The sphere is to be melted down and remoulded into the shape of a cylinder with a height of 18.4 $\mathrm{~cm}$ .≈ $\times 10^3$cm
2. Find the radius of the base of the cylinder, giving your answer correct to 2 significant figures. ≈ cm
