Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 2; r = 3

A. a5 = 486; an = 2 ? (3)n
B. a5 = 486; an = 2 ? (3)n-1
C. a5 = 162; an = 2 ? (3)n
D. a5 = 162; an = 2 ? (3)n-1


Answer: D

Mathematics

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