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anonymous
 5 years ago
What is the sum of the geometric sequence 8, –16, 32 … if there are 15 terms?
anonymous
 5 years ago
What is the sum of the geometric sequence 8, –16, 32 … if there are 15 terms?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[a\frac{(1r^{n+1})}{(1r)}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so would it be 87384?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\sum _{n=0}^{15} (8)(2)^n\] \[8\sum _{n=0}^{14} (2)^n\] 8((1(2)^15))/(1+2) http://www.wolframalpha.com/input/?i=8%28%281%282%29%5E15%29%29%2F%281%2B2%29 yes

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0wanna do some more for me? :)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0no, I think you can handle it

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0yes, you got the right answer

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i googled it... i wanted to see if it was correct

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0do some more , you will get the hang of it

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0and if you get stuck , post it ; you will be helped
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