#### Answer

$1, \frac{1}{2}, \frac{1}{3}, \frac{1}{4}, \frac{1}{5}$

#### Work Step by Step

$a_n = \frac{1}{n}$
First five terms are: $a_1, a_2, a_3, a_4$, and $a_5$
$a_1 = \frac{1}{1}$
$a_2 = \frac{1}{2}$
$a_3 = \frac{1}{3}$
$a_4 = \frac{1}{4}$
$a_5 = \frac{1}{5}$