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16 March, 00:50

1.--2.4.-8. What is the sequence?

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  1. 16 March, 04:30
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    Geometric sequence.

    Step-by-step explanation:

    This is a Geometric Sequence with common ratio - 2:

    -2 = 1 * - 2

    4 = - 2*-2

    -8 = 2 * - 2.

    the nth term = (-2) ^ (n-1).
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