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17 October, 16:25

Find the common ratio of the sequence. 3,-9,27,-81

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  1. 17 October, 16:41
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    r = - 3

    Step-by-step explanation:

    To find the common ratio r, divide consecutive terms

    - 9 : 3 = - 3

    27 : - 9 = - 3

    - 81 : 27 = - 3

    Thus common ratio = - 3
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