Question

How did u get ' 4' as n?

Answer 1

Answer:

Such sequences can be expressed in terms of the nth term of the sequence. In this case the nth term = 2n. To find the 1st term, put n = 1 into the formula to find the 4th term replace the n's by 4's so 4th term = 2 × 4 = 8

Explanation:

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