SOLUTION: Given the explicit formula for a geometric sequence find the first five terms and the 8th term. An=3^n-1

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Question 867592: Given the explicit formula for a geometric sequence find the first five terms and the 8th term.
An=3^n-1
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
plug in 1,2 ,3 4,5 and 8 in the formula for n
Is it An=(3^n)-1 or An=3^(n-1)