Question

Nevin started a geometric sequence. The first four terms of his sequence are shown below. 162,54,18,6,...

c. What is the sixth term of Nevin’s sequence? Show or explain how you got your answer.

d. Write an expression that represents the nth term of Nevin’s sequence.

Answer 1

0.6667

162/3^(n-1)

Explanation:

162,54,18,6,2,0.6667,etc. (the sequence is divided by 3 each time)