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OpenStudy (anonymous):
What is the 8th term of the geometric sequence where a1 = 256 and a3 = 16?
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OpenStudy (lilg132):
a = 256 a + 2d = 16 d = -120 a + 7d = 257 + 7(-120) = 257 + 840 = 1097 is 1097 one of your answers?
OpenStudy (anonymous):
nahh, i got 0.015625
OpenStudy (lilg132):
oops i got my negative mixed up
OpenStudy (lilg132):
-583?
OpenStudy (anonymous):
nahh, it was 0.015625, thank you for your help though (:
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OpenStudy (lilg132):
hmm thats strange its ok
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