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20 May, 11:53

What is the next term of the geometric sequence 7,21,63

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  1. 20 May, 12:05
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    Step-by-step explanation:

    Tn = ar^ (n-1)

    a = 7, r = 21/7 = 3, n = 4

    T4 = 7 * 3^ (4-1)

    T4 = 7 * 3^3

    T4 = 7 * 27

    T4 = 189
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