The first term of a geometric sequence is 4 and the multiplier, or ratio, is 2. What is the sum of the first 5 terms of the sequence? A. 44 B. 64 C. 44 D. 64
Question
Updated 5/20/2014 9:30:46 PM
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Flagged by yeswey [5/20/2014 9:29:14 PM]
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User: The first term of a geometric sequence is 4 and the multiplier, or ratio, is 2. What is the sum of the first 5 terms of the sequence? A. 44 B. 64 C. 44 D. 64

Weegy: Well, the first term is 4, the second is -8, the third is 16, the fourth is -32, and the fifth is 64. So the sum is 44. A.
allisons061|Points 31|

Question
Updated 5/20/2014 9:30:46 PM
This conversation has been flagged as incorrect.
Flagged by yeswey [5/20/2014 9:29:14 PM]
Rating
3
The first term of a geometric sequence is 4 and the multiplier, or ratio, is 2. The sum of the first 5 terms of the sequence is S(5) = 4(1 - 2^5)/(1 - 2) = 124.
Confirmed by jeifunk [5/20/2014 9:38:02 PM]

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