Ethan buys a video game on sale. if the video game usually costs %39.99, and it was on sale for 20% off, how much did ethan pay?

Approximately $31.99

Step-by-step explanation:

The result will come out to 7.998, which rounds up to 8, then deduct that from 39.99 to end up with 31.99. It would have been $23.01 if you kept it as is without rounding.

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

i believe the answers 600m