Question

What is the nth term if 27 24 21 18 15 is the sequence

Answer 1

Given:

a=27

d=24-27=-3

nth term is a+(n-1)d

==> 27+(n-1)(-3)

==> 27-3n+3

==>30-3n

==>3(10-n)

The nth term is 3(10-n)

Hope it helps you

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