$\"\"$

\

The exponent is $\"4$ .

\

Use definition of exponent: $\"a$ .

\

$\"4$

\

$\"\"$ .

\

$\"\"$

\

The exponent is $\"8$ .

\

$\"8$

\

$\"\"$

\

$\"\"$

\

$\"\"$ . $\"\"$

\

The exponent is $\"3$ .

\

Use negative exponent property $\"a$ .

\

$\"3$

\

$\"\"$

\

$\"\"$

\

The values of exponents are $\"\"$ , $\"\"$ and $\"1$ .