Math

What is the 11th term of the following geometric sequence? Enter a whole number
7/9,-7/3,7,-21,63

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  1. a(n+1) = a(n) * -3

    a = 7/9

    r = -3

    a(n) = a r^(n-1)
    so
    a(11) = (7/9) (-3)^10

    = 7 (3)^8

    = 45927

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