alg
posted by jerson .
suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous height. How high will the ball rebound after its third bounce. round to the nearest tenth.. my teacher told be the answers 9.2 but i don't know how she got it

Is this a geometric series? Don't you have a formula for the nth term?

no i don't