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adell [148]
3 years ago
15

PLEASE HELP!!!

Mathematics
2 answers:
shtirl [24]3 years ago
7 0

r=-3, n=8, a_1=3

S = 3(1 - (-3)^8)/(1 - -3) = -4920

Choice C


leonid [27]3 years ago
4 0
The answer to your question is C
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