Question

Find the volume of this composite object!
(Use 3 for pie)

Answer 1

(4/3)π(2^3) + π(2^2)(3) = (32/3)π + 12π

= ((32 + 36)/3)π

= 68π/3

= 71.21 cubic inches

But since I was informed to use 3 for π, the volume is 68 cubic inches.