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3 votes
Find the formula for the nth term of the following sequence:

648, 108, 18, 3...

Include "n=" in your answer, and do not use any spaces.

1 Answer

7 votes

Answer:

648, 108 , 18, 3

divide all with 3

216,36,6,1

which means 6³,6²,6¹,6⁰....can be written as


{6}^(4 - 1) \: \: {6}^(4 - 2) ...so \: on \\


so \: \: pattern = \\ n = {6}^(4 - n) * 3

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