[tex]v = \frac{4}{3} \times \pi \times ({ \frac{8}{2} })^{3} \\ [/tex]
[tex]v = \frac{4}{3} \times 3 \times {4}^{3} \\ [/tex]
[tex]v = {4}^{4} [/tex]
[tex]v = {2}^{8} [/tex]
[tex]v = 256 \: \: {cm}^{3} [/tex]