$\"\"$

The expression is $\"\"$ .

Place value chart for 34 and 44.

$\"\"$

line up the decimal points and draw a line above the numbers.

$\"\"$

Next find the difference of the ones digit.

The difference of the ones digit $\"\"$ .

$\"\"$

Next find the difference of the tens digit.

The difference of the tens digit $\"\"$ .

$\"\"$

The difference of the expression is $\"\"$ .