BRAINLIEST IF U CAN ANSWER IN 5 MINUTES Use scientific notation to find the product of 7.13 × 10 ^-3 and 40. Include all of your calculations in your final answer.

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.