Find the first four terms of the sequence given the rule: an = 4(5)n-1

Question

Find the first four terms of the sequence given the rule:
an = 4(5)n-1

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Josephine 2 weeks 2022-01-08T18:43:38+00:00 1 Answer 0 views 0

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    2022-01-08T18:44:42+00:00

    Answer: 4, 20, 100, 500

    Step-by-step explanation:

    Assuming that the sequence starts at 1:

    Plug in 1, 2, 3, and 4 to the a(n) function to get:

    4, 20, 100, 500

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45:7+7-4:2-5:5*4+35:2 =? ( )