Select from the drop-down menu the opposite of -3 5/8 is on the blank side of zero on a numbers line an -3 5/8 The opposite of 4 2/9 is on the blank side of zero on a number line as 4 2/9

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.