How do you simplify sqrt(16)?

Jul 13, 2015

$\sqrt{16} = 4$
$\sqrt{a} = b$ means that $b$ is a non-negative value (a restriction on the square root symbol) such that $b \times b = a$
Since $4 \times 4 = 16$
$\textcolor{w h i t e}{\text{XXXX}}$$\sqrt{16} = 4$