CSEC Additional Mathematics · 2018 · Paper 1 · Question Q20

A sequence of positive integers \{U_n\} is defined by U_n = 3\left(\frac{1}{2}\right)^{n - 1}. The 10th term of the sequence is given by

1. (A)\frac{19\,683}{512}
2. (B)\frac{3}{256}
3. (C)\frac{3}{512}
4. (D)\frac{3}{1000}