Based on the data, what is the most reasonable estimate for the number of Timpony School District middle school students who average watching more than 444 hours of TV each day?

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.