Question

A ball rebounds 7/8 as high as it bounces on the previous bounce and is dropped from a height of 8 feet. How high does it bounce on the fourth bounce and how far has it traveled after the fourth bounce?

Answer 1

8*(7/8)^4

Answer 2

8(1+2(7/8) +2(7/8)^2+ 2(7/8)^3)

Answer 3

can you explain how you got this answer. I am so confused

Answer 4

on the first bounce it bounces 7/8th as high as 8 feet.
on the second bounce, it boundes 7/8th as high as the previous time and so on.
so the answer is 8(7/8)^4

Answer 5

is this a arithmetic sequence or geometric

Answer 6

geometric

Answer 7

thank you