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21 March, 10:09

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

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  1. 21 March, 10:28
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    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.
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