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LuckyWell [14K]
3 years ago
14

Find the sum of the geometric sequence –3, 15, –75, 375, … when there are 9 terms and select the correct answer below.

Mathematics
1 answer:
ZanzabumX [31]3 years ago
3 0
The correct answer to the question presented above would be letter A. -976, 563. I got this through solving with the first number of the set, then getting the ratio of the data set (which is -5) and the number of terms in the set. Thus, I arrived with the answer, -976, 563.
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Answer:

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Step-by-step explanation:

we know that

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substitute

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Nutka1998 [239]

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Answer:
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