Question

C(n) = 9 (-3)***
What is the 3rd term in the sequence?

Answer 1

`\bf \begin{array}{ll} \stackrel{n}{term}&\stackrel{(4)/(9)(-3)^(n-1)}{value}\\ \cline{1-2} 1&(4)/(9)(-3)^(1-1)\\\\ &(4)/(9)(-3)^(0)\\\\ &(4)/(9)\\\\ 2&(4)/(9)(-3)^(2-1)\\\\ &(4)/(9)(-3)^(1)\\\\ &-(4)/(3)\\\\ 3&(4)/(9)(-3)^(3-1)\\\\ &(4)/(9)(-3)^(2)\\\\ &4 \end{array}`