Sara goes on a slingshot ride in an amusement park. She is strapped into a spherical ball that has a radius of 3*10^2 centimeters. What is the volume of air in the spherical ball? Use this formula: volume of a sphere = 4/3πr^3, where r is the sphere’s radius.
A. 4*π*3^2*10^6 cm^3
B. 4*π*3^3*10^6 cm^3
C. 4*π*3^2*10^5 cm^3
D. 4*π*3^4*10^5 cm^3
