Question:

Find the sixth term of the geometric sequence for which a1 = 5 and r = 3 ?

by  |  earlier

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a 1215

b 3645

c 9375

d 23

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  1. formula:

    an = a1* r^(n-1)

    thus .. . .

    a6 = a1 * r^5

    = 5 * 3^5

    use the calculator to get the value

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