Answered

After being dropped a certain ball always bounces 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?
a. 20
b. 15
c. 8
d. 5
e. 3.2

Sagot :

after the second, it will be 50, after the third it will be 20, and after the fourth it will be 8. The answer is C
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