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OpenStudy (anonymous):

If the sequence is geometric, what is the common ratio? 6, 18, 54, 162, ...

OpenStudy (anonymous):

12

OpenStudy (anonymous):

http://en.wikipedia.org/wiki/Geometric_series

OpenStudy (anonymous):

3 ?

OpenStudy (anonymous):

6 times 3=18 18 times 3= 54 54 times 3 = 162

OpenStudy (anonymous):

yes, 3 http://www.purplemath.com/modules/series3.htm

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