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OpenStudy (anonymous):
I will award you! :) Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 1, 3, 9, 27, 81, … A. an=3(1^n-1) B. an=3^n-1 C. an=3^n D. The sequence is not a geometric sequence.
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OpenStudy (anonymous):
@SolomonZelman
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