Question

Given the explicit formula for a geometric sequence find the term named in the problem

Answer 1

$\begin{gathered} \text{ a}_n=-4(2^{n-1}) \\ a_{12}=-4(2^{12-1}) \\ a_{12}=-4(2^{11}) \\ a_{12}\text{ = -4(2048)} \\ a_{12}\text{ = -8192} \end{gathered}$