Question

The radius of a sphere is 7 cm. What is the sphere's volume? Round to the nearest tenth, and use 3.14

Answer 1

1436.8 cm3

Explanation:

4/3 π r^3 ; r = 7 (substitute)

4/3 π (7)^3 (cube)

4/3 π 21 (reorder)

4/3 (21) π (muptiply)

28 π (multiply)

87.96..... (round)

88cm^3