The first four terms of a pattern are shown. 3, 9, 27, 81... Which expression can be used to find the nth term in the pattern?

Question

A. 3n

B. 3n + 3

C. 3 with n on top right of 3

D. 3 with n on top right of 3 + 3

Answer 1

With n ranging from 1 to 4, the set of numbers can be found with 3ⁿ

3¹ = 3

3² = 9

3³ = 27

3⁴ = 81