REMINDER: All final answers should contain positive exponents. You must show work!!! 19. (-5) 4÷ (-5) 7
4 and 7 are exponents

The answer is 28 yout welcome.

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