## Basic College Mathematics (10th Edition)

$\sqrt {30} = 5.5$ $\sqrt {26} = 5.1$ $\sqrt {35} = 5.9$
$30$ is in the middle of $25$ and $36$ so $\sqrt {30}$ is approximately $5.5$ $26$ is almost $25$ so $\sqrt {26} = 5.1$ $35$ is almost $36$ so $\sqrt {35} = 5.9$