SOLUTION: Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 12 terms?
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Question 83913: Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 12 terms?
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
Depends on sequence....
a1(1 - r^12)/(1 - r)
a1 = first number
r = rate
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