SOLUTION: 5,2.,6,4,7,8,8,?,9

SOLUTION: 5,2.,6,4,7,8,8,?,9

Algebra.Com

Question 1108664: 5,2.,6,4,7,8,8,?,9
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
16

Why?
The even numbered indexed terms are doubling, beginning at n=2.
At index n=8, you finally reach .
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