7] A ball is dropped and bounces up to a height that is 75% of the height from which it was dropped. It then bounces again to a height that is 75% of the previous height and so on. How many bounces does it make before it bounces up to less than 20% of the original height from which it was dropped?
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5times, i haven't followed any mathematical methods just took time n solved by take and trail method
please convey the right answer
please convey the right answer
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