$\"\"$

The expression is $\"\"$ .

Base is $\"\"$ and the exponent is 2.

$\"\"$

$\"\"$ means " $\"\"$ to the second power" or " $\"\"$ to the power 2" or " $\"\"$ cubed"

$\"\"$

= $\"\"$ $\"\"$ \ \

$\"\"$

Base is $\"\"$ and the exponent is 2.

Value of the expression is $\"\"$ .