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Mathematics 18 Online
OpenStudy (anonymous):

Identify the 10th term of the geometric sequence 7, -35, 175 ... -13,671,875 -68,359,375 68,359,375 13,671,875

OpenStudy (loser66):

68359375

OpenStudy (cwrw238):

nth term = ar^n so the 10th term 7 * (-5)^9

OpenStudy (cwrw238):

68359375 is incorrect as (-5)^9 is negative

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