Question

What is the value of the fourth term in a geometric sequence for which a1= 30 and are= 1/2?

Answer 1

It's 3.75 or 15/4

Explanation:

When you put it in proper form, it becomes a4= 30 x (1/2)^3, when computed, it equals 3.75. Thank you.

Answer 2

15/4.

Explanation:

4th term = a1 r^3

= 30(1/2)^3

= 30/8

= 15/4.