Raymond B. answered 05/22/23
Math, microeconomics or criminal justice
V= hpi(r^2) = 8(3.14)(4^2) = 401.92 m^3
unless by chance you, however unlikely,
meant height=4, radius=8, which is an odd shaped cylinder, sort of flattened like a tuna can,
then
V = 4(3.14)8^2) = 803.84 m^2, about twice as large in volume