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Mathematics 8 Online
OpenStudy (anonymous):

Math each geometric sequence with the correct sum. a1 = 3, a8 = 384, r = 2 a1 = 80, n= 7, r = - 1/2 a1 = 5, n= 12, r = 3 a1 = 625, n= 5, r = 3/5 Choose... 215/4 1,328,600 630/3 765 1441

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