SOLUTION: The fifth term of a geometric sequence is 1/27th of the eighth term. If the ninth term is 702, what is the eighth term?
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Question 307023: The fifth term of a geometric sequence is 1/27th of the eighth term. If the ninth term is 702, what is the eighth term?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
8th is 27 times 5th ___ 3 terms apart
(ratio)^3 = 27 ___ r = 3
"8th" * 3 = 702 ___ "8th" = 234
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