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Mathematics
Problem
In Exercises 77-82, determine whether the geometric series converges. If it does, find its sum. 81.
∑
k
=
1
∞
3
(
0.5
)
k
\sum_{k=1}^{\infty} 3(0.5)^{k}
∑
k
=
1
∞
3
(
0.5
)
k
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