A submarine dives to a depth of 650 ft. below the surface of the ocean. Later it climbs 150 ft. before descending an additional 80 ft. Use an integer to represent the depth of the submarine. ​

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

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.

At the county fair, animals are judged for the quality of their breeding and health. the animal pens are arranged in an array, with one animal in each pen. a barn can hold at most 10 rows of pens and at most 6 pens in each row, with room for people to walk around them. what different ways can the planners of the county fair arrange the pens for the horses and cows in the same barn?