Answer :
B) 84 m³
Step by step :
[tex] \boxed{ \bold{volume = \frac{1}{3}\pi {r}^{2} h }}[/tex]
[tex]volume = \frac{1}{3} \times 3.14 \times 4 \times 4 \times 5 \\ volume = \frac{1}{3} \times 251.2 \\ volume = 83.73 \: {m}^{3} \\ volume = 84 \: {m}^{3} [/tex]
