$\"\"$

The expression is $\"\"$ .

power of quotient property: For any real number a and $\"\"$ , and any integers m, $\"\"$ .

$\"\"$

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

$\"\"$ (Apply power of power property: $\"\"$ )

$\"\"$ (Apply negative exponent property: $\"\"$ ) $\"\"$

The simplify expression is $\"\"$ .