SOLUTION: tell whether the sequence 3, -9, 27, -81 is geometric

SOLUTION: tell whether the sequence 3, -9, 27, -81 is geometric

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Question 880176: tell whether the sequence 3, -9, 27, -81 is geometric
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
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YES. Geometric.
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