203k views
4 votes
Suppose you drop a ball from a window 10 meters above the ground. The ball bounces to 80% of its previous height with each bounce. What is the total number of meters (rounded to the nearest tenth) the ball travels between the time it is dropped and the 10th bounce?

79.3 meters
73.2 meters
89.3 meters
77.5 meters

User Jaynie
by
8.1k points

1 Answer

5 votes
2* 25.6 ( 1 - .8^9 ) / (1 - .8) + 32 = 253.6 meters
User Cos Callis
by
8.3k points