Square root of 400 rounded to nearest hundred

100

Step-by-step explanation:

To find the square root of 400 rounded to nearest hundred you have to

1, find the square root of 400 It is √400=√20²=20

2,then round 20 to the nearest hundred which is 100

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