Question

What is the sixth term of the sequence? an=−3⋅2n+1 Enter your answer in the box. a6=

Answer 1

We evaluate $a_6$ by setting $n=6$ in the formula like this:$a_6=-3\times(2\times6+1)\\=-3(12+1)\\=-3\times13\\=-39\\\text{The sixth term is -39}$