the formula is:
[tex]v = \frac{4}{3}\pi {r}^{3} [/tex]

Answer:
Volume of hemisphere=
[tex] \frac{2}{3} \pi {r}^{3} [/tex]
Volume of sphere=
[tex] \frac{4}{3} \pi {r}^{3} [/tex]
Step-by-step explanation:
[tex] \frac{2}{3} \times \frac{22}{7} \times {8}^{3} [/tex]
Using calculator=
1072.761905
Round to the nearest tenth=
1072.8