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20 September, 00:26

Find the stated term of the geometric sequence.

-5, - 10, - 20, - 40 ..., 9th term

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Answers (1)
  1. 20 September, 01:56
    0
    -1280

    Step-by-step explanation:

    This geometric sequence has the first term - 5 a = - 5

    And ratio : - 10/-5 = 2 r = 2

    9th term: (-5) (2^ (9-1))

    = (-5) (2⁸)

    = - 1280
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