# math

posted by tee

a ball is dropped from a height of 5m. after each bounce, the ball rises to 45% of its previous height. what the total vertical distance that the ball has travelled after it has hit the ground for for the 6th time?

what are the formulas? because the ball bounces twice each time

1. drwls

5 [1 + 2*(0.45) +2*(0.45^2) + 2(0.45)^3 + 2*(0.45)^4 + 2*(0.45)^5] = __

2. sam

2.606

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