$\"\"$

The expression is $\"\"$

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

$\"\"$

$\"\"$

First find the multiplication of the ones digit.

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

The product is 45, so carry digits to the next column on the left

$\"\"$ \ \

$\"\"$

Next find the product of the tens digit.

The product of the tens digit = $\"\"$ .

$\"\"$

$\"\"$

The product is $\"\"$ .