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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
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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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