Question

determine the 16th term of the sequence

9, 18, 36....

r________?​

Answer 1

Answer:

$a = 9 \\ d = 9 \\ a_{16} = a + 15d = 9 + 15 \times 9 = 9 + 135 \\ = > a_{16} = 144 \\ = = = = = = = = = =$

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