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18 July, 08:17

Determine 4th term in the geometric sequence whose first term is - 2 and whose common ratio is - 5. does anyone know what this can possibly be?

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  1. 18 July, 09:09
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    The terms in a geometric sequence are given by: A = ar^ (n-1)

    where A is the nth term in the sequence.

    a = first term in the sequence (-2)

    r = common ratio (-5)

    n = number of the term (4)

    A = (-2) (-5) ^ (4-1)

    A = (-2) (-5) ^ (3)

    A = (-2) (-125)

    A = 250
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