After being dropped a certain ball always bounce back to 2/5 of the height of its previous bounce . After the first bounce it reaches a height of 125 inches . How high ( in inches ) will it reach after its fourth bounce ?
After being dropped a certain ball always bounce back to 2/5 of the height of its previous bounce . After the first bounce it reaches a height of 125 inches . How high ( in inches ) will it reach after its fourth bounce ? Correct Answer 8
After the first bounce it reached to 125 inches After rhe second bounce it reached to 125 ×2/5 = 50 inches. After third bounce it reached to 50 × 2/5 = 20 inches After fourth bounces it reached to 20 × 2/5 = 8 inches.
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Feb 20, 2025