Word Problem: Kiara must sell 40 magazines to raise money for the art club. She sold 2/5 of the magazines to her relatives and 1
1 answer:
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A geometric series is the sum of the terms of a geometric sequence of the form
where r is the common ratio, and a≠0 is the first term.
That is, the series is
In sigma notation, the series is written as:
∞
∑
k=0
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The geometric series of the form
∞
∑
k=0
and diverges otherwise.
--------------------------------------------------------------------------------------------------
in our problem, a , the first term is equal to 940, and the common ratio is |1/5|<1,
thus the series converges to:
Answer:
∞
∑
k=0