$\"\"$

The expression is $\"\"$ .

Apply power of a product property: $\"\"$ .

$\"\"$

Apply power of a power property: $\"\"$ .

$\"\"$

Group powers with the same base.

$\"\"$

Apply quotient of powers property: $\"\"$ .

$\"\"$

Apply negative exponent and zero exponent properties: $\"\"$ .

$\"\"$

The value of $\"\"$ .