If you don't answer this responsibly i will flag Please help and explain!
Volunteers are setting up 8 rows of tables in the gym. Each row has 8 tables. Each table has 8 chairs. Write an expression to show how many chairs there will be in the gym.

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.