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OpenStudy (anonymous):
Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 1, 3, 9, 27, 81, …
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OpenStudy (anonymous):
I am used to doing something like this, but not with a formula involved
OpenStudy (anonymous):
The common ratio is 3
OpenStudy (anonymous):
To write a formula to describe any geometric sequence use the rule described herein: http://www.mathsisfun.com/algebra/sequences-sums-geometric.html
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