Posted by **hailey** on Wednesday, September 11, 2013 at 9:55pm.

If you drop a ball from 15 feet and every time it bounces it returns to 80% of its previous height, how high does it bounce after it n-th bounce?

- math -
**Steve**, Thursday, September 12, 2013 at 4:54am
15 * .8^n

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