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OpenStudy (anonymous):
Find S7 for the geometric series 2 + -6 + 18 + -54 +…
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OpenStudy (anonymous):
here the first term is 2 and common ratio is -3 and fromula for finding term is|dw:1340879398463:dw| here a is first term r is cmmon ration and n is tem number
OpenStudy (anonymous):
@rdx you are the bomb bro! but this is life or death.. i have 30 minutes to finish this test i need the answers. pleasee help lol
OpenStudy (cwrw238):
common ratio r = -3 a1 = 2 S7 = 2 * (-3)^7 - 1 -------- -3-1
OpenStudy (anonymous):
@cwrw238 choices are 162 -486 1094 -4374
OpenStudy (cwrw238):
1094
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