Question

The formula for the volume of a sphere is v=4/3πr³ find the radius, to the nearest hundredth, of a sphere with a volume of 15in³

Answer 1

15 = 4/3 pi r^3
45 = 4 pi r^3
11.25 = pi r^3
r^3 = 3.580986
r = 1.89 inches