Is this sequence arithmetic, geometric or neither? 4, 8, 16, 32, 64,...

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asked Aug 15, 2017 153k views

2 Answers

Zappa · Answer 1 · 2017-08-22T05:13:39+0000

Fairly certain it is a geometric sequence: this follows 2^n+1, n being the place in the sequence.
So, the first value, 4, is 2^(1+1). 8 is 2^(2+1), etc, etc.

Is this sequence arithmetic, geometric or neither? 4, 8, 16, 32, 64,...

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