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18 December, 21:13

Find the 5th term of the sequence which has a first term of 17 and has a common ratio of 3.1.

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  1. 18 December, 21:17
    0
    Our n will be 5-1 = 4

    and with the first term of 17 with the common ration of 3.1 our 5th sequence term will be

    17 (3.1^4) = 1570
  2. 18 December, 21:30
    0
    The 1st term of the sequence:

    a 1 = 17

    r = 3.1

    a n = a 1 * r^ (n-1)

    a 5 = a 1 * r^4

    a 5 = 17 * 3.1^ (4) = 17 * 92.3521

    Answer:

    a 5 = 1,569.9857
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