Question 288695
Leave {{{pi}}} as it is (ie don't replace it with 3.14...) to get {{{V=(4/3)pi*2^3=(4/3)*8*pi=(32/3)pi}}}. So the volume of the entire sphere is {{{V=(32/3)pi}}} cubic cm. Divide this in half to get {{{V=(32/6)pi}}} cubic cm which is the volume of the hemisphere.