Answer:
The first part if you are in edg 2020 is 10 feet and the second part is 6.141 feet
Explanation:
6.141
aₙ = a₁rⁿ⁻¹
The height after the first bounce is the second term in the geometric sequence, so the height after the third bounce is the fourth term.
a₄ = a₁(0.85)ⁿ⁻¹
a₄ = 10(0.85)³ = 10 × 0.614 12 = 6.141
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