Which expressions are equivalent to the one below? check all that apply 64^x a. 8^2*8^x b. (8*8)^x c. 8*8^2x d. 8*8^x e. 8^2x f. 8^x*8^x

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.