What is the mean average of 100, 75, 40, 90, 80, 100, 92, 88, 80, 84, 81?

The mean average is 82.727272727273

82.727272727272727272727272728

Step-by-step explanation:

(100+75+40+90+80+100+92+88+80+84+81)/11

answer: 40.95

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