A ball is dropped from 400 ft what is the height of the ball on the 6th bounce?

1 bounce =280 ft
2 bounce= 196 ft
3 bounce = 137.2

How do I figure this out?

1 answer

280/400 = 0.7
196/280 = 0.7
137.2/196 = 0.7

Looks like the height on the nth bounce is 400*0.7^n