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Mathematics 14 Online
OpenStudy (anonymous):

Which of the following is the formula for the geometric sequence? 900, 300, 100, 33 1/3,... A. an = 900(3)^n-1 B. an = 33 1/3 (3)^n-1 C. an = 900(1/3)^n-1

OpenStudy (anonymous):

The an are supposed to be \[a _{n}\]

OpenStudy (anonymous):

What is the common factor here? What is the series decreasing by?

OpenStudy (anonymous):

answer is C

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