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24-11-2016
Mathematics

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Find the next three terms of the sequence. Then write a rule for the sequence.

648, 216, 72, 24

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apologiabiology apologiabiology

24-11-2016

we notice it diviides by 3 each time or multiplies by 1/3
common ratio is 1/3
first term is 648

so next 3 terms are 8, 8/3, and 8/9

rule is an=648(1/3)^(n-1)

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