(20 points)find the volume of a cylinder whose base has a diameter of 10 and whose height is 12, use 3.14 for pi and round your answer to the nearest tenth

V = (1/4)(π* d² * h) 
V = (1/4)(π * 10² * 12) 
V = (1/4)(1200π) 
V = 300π 
[ V ≈ 942 cubic units . . . . . to 3 s.f. ] 
V ≈ 942 cubic units