Maths

A ball is dropped from a height of 80ft.The elasticity of this ball is such that it rebounds three-fourths of the distance it has fallen. How high does the ball rebound on the fifth bounce? Find a formula for the height the ball rebounds on the nth bounce?

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  1. bounce height
    1: 80 * 3/4 = 80(3/4)^1
    2: 80 * 3/4 * 3/4 = 80(3/4)^2
    ...

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