Answer
$\frac{1}{4},\frac{1}{16},\frac{1}{64},\frac{1}{256},\frac{1}{1024}$
Work Step by Step
$a_n=\frac{1}{4^n}$
$a_1=\frac{1}{4^1}=\frac{1}{4}$
$a_2=\frac{1}{4^2}=\frac{1}{16}$
$a_3=\frac{1}{4^3}=\frac{1}{64}$
$a_4=\frac{1}{4^4}=\frac{1}{256}$
$a_5=\frac{1}{4^5}=\frac{1}{1024}$