$\"\"$

The expression is $\"\"$ .

$\"\"$ (Prime factorization of 16)

$\"\"$ (Evaluate powers: $\"\"$ ) $\"\"$

Product property of square roots: $\"\"$ if $\"\"$ .

$\"\"$ (Product property of square roots: $\"\"$ )

$\"\"$ . (Multiply: $\"\"$ )

$\"\"$ . (Multiply: $\"\"$ ) $\"\"$

The simplify expression is $\"\"$ .