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OpenStudy (anonymous):
Can someone double-check my answer? Find the sum of a finite geometric sequence from n = 1 to n = 5, using the expression −3(4)^n − 1. I got -1023 by substituting the numbers 1-5 into the equation getting -3,-12,-48,-192,and -768 which i added to get the -1023. That IS how you solve it right???
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OpenStudy (anonymous):
it looks write to me
OpenStudy (anonymous):
right*
OpenStudy (anonymous):
thanks
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