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20 December, 08:08

Determine the 28th term of the sequence - 242,-251,-260

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  1. 20 December, 08:21
    0
    -485.

    An=A1 + (n-1) d

    A1=-212

    n=28

    d=-9

    212 + (28-1) (-9) = - 485
  2. 20 December, 08:37
    0
    The answer to that is - 494.
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