$\"\"$

The expression is $\"\"$ .

$\"\"$ (Substitute $\"\"$ 8 for a)

$\"\"$ (Absolute value of $\"\"$ 8 is 8 and it is 8 units from zero)

Locate the integers “ $\"\"$ 8” on the number line. $\"\"$ $\"\"$

Rewrite the expression,

$\"\"$

= 16 (Multiply: $\"\"$ ) $\"\"$

The value of the expression is 16.