Geno has a fish tank that is a rectangular prism with a base measuring 7 feet by 3 feet and a height of 3 feet. he wants to fill the base of the tank with pebbles 6 inches height. how much space, in cubic feet, do the rocks in the tank cover?

answer: 7270

step-by-step explanation:

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere