$\"\"$

The expression is $\"\"$ .

Place value chart for 2.00 and 22.20

$\"\"$

Line up the decimal points and draw a line below the numbers.

$\"\"$

First find the addition of the tenths digit.

The addition of the ones digit $\"\"$

$\"\"$ $\"\"$

Next find the addition of the ones digit.

The addition of the tens digit $\"\"$

$\"\"$ $\"\"$

Next find the addition of the tens digit.

The addition of the ones digit $\"\"$

$\"\"$ $\"\"$

Next find the addition of the hundreds digit.

The addition of the ones digit $\"\"$

$\"\"$ $\"\"$

The value of the expression is 24.20.