Answer
$32, 16,8,4$
Work Step by Step
$a_{n+1} = \frac{a_n}{2}$
$a_1 = 32$
To find the first four terms, we need to find $a_1, a_2, a_3$, and $a_4$.
$a_1 = 32$
$a_2 = \frac{32}{2} = 16$
$a_3 = \frac{16}{2} = 8$
$a_4 = \frac{8}{2} = 4$