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OpenStudy (anonymous):
If the sixth term of a sequence is 128 and the common ratio is 2, then what is the first term? I got 2
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OpenStudy (anonymous):
@yummydum will u help me
OpenStudy (zehanz):
To get back at the first term, you need to divid 5 times by 2, or once by 2^5 = 32. So the first term would be 128/32 = (not 2)
OpenStudy (anonymous):
4
OpenStudy (zehanz):
Yes: 1, 2, 3, 4, 5, 6 4, 8, 16, 32, 64, 128
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