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OpenStudy (anonymous):
What is the sum of a 7-term geometric series if the first term is -6, the last term is -24,576, and the common ratio is -4? -32,766 -19,662 19,662 32,766
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OpenStudy (anonymous):
@mathsmind
OpenStudy (anonymous):
I only have 4 problems left till I finish my unit. so i have 4 more i need help with
OpenStudy (anonymous):
ok i will assume u know the rule for summing GS, so now let's find a, and r
OpenStudy (anonymous):
n=7
OpenStudy (anonymous):
that is the correct answer -19,662
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OpenStudy (anonymous):
first term a=-6
OpenStudy (anonymous):
@tinaballerina
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