Question

Use the information given to identify the a9 term of the geometric sequence:a4=1/2,r=1/2

Answer 1

1/64

Explanation:

To get from a₄ to a₉, we multiply a₄ by r⁵ (since 9 - 4 = 5). We know a₄ and r = 1/2 so the answer is 1/2 * (1/2)⁵ = 1/64.