n(n+1) 9. The rule for finding the nth item in a certain sequence is What is the fourth term in this sequence?

Filipe Pina asked Oct 11, 2023

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Filipe Pina asked Oct 11, 2023

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21 votes

n(n + 1)

4th term

4(4 + 1) = 4(5) = 20

The fourth term is 20

RARay answered Oct 14, 2023

by RARay

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