#### Answer

$|z-4| \ge 5$

#### Work Step by Step

RECALL:
$|a-b|$ represents the distance between the real numbers $a$ and $b$.
Thus, the distance between $z$ and $4$ is represented by $|z-4|$.
Since the distance is no less than $5$ units, then the required inequality is:
$|z-4| \ge 5$