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7 April, 00:58

Find the 7th term in the

sequence

1, - 3, 9, - 27, ...

+4
Answers (1)
  1. 7 April, 01:17
    0
    729

    Step-by-step explanation:

    to get the next term, the sequence multiples the previous number by - 3

    1 * - 3 = - 3

    -3 * - 3 = 9

    and so on.

    To get the 7th term:

    -27 * - 3 = 81 (5th term)

    81 * - 3 = - 243 (6th)

    -243 * - 3 = 729 (7th)
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