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OpenStudy (anonymous):
Find the 7th term of the following geometric sequence 3 , 15 , 75 , ...
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OpenStudy (anonymous):
3.(5^(x-1)) = answer, where x is the term
OpenStudy (anonymous):
It looks like we might be able to describe this sequence as \[a_k=3(5^{k-1})\]Substitute seven for k, and figure it out.
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