Question

What is the value of the fourth term in a geometric sequence for which a =

15 and r= 1/3?
Express your answer as a fraction.

Answer 1

5/9

Explanation:

This is easy, we just multiply 1/3 by the first term.

1st Term: 15

15 x 1/3 = 5

2nd Term: 5

5 x 1/3 = 1 2/3

3rd Term: 1 2/3

1 2/3 x 1/3 = 5/9

4th Term: 5/9

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