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OpenStudy (anonymous):
Is the sequence geometric? 2, 6, 18, 54,... A. yes B. no
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OpenStudy (anonymous):
yes since 6/2 = 18/6 = 54/18 = 3
OpenStudy (anonymous):
A You have to check if the common ration is equal between every an a(n) and a(n+1) 6/2 = 18/3 = 54/18 = 3 = common ratio
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