# Multiply 45*55 45⋅55
Multiply using long multiplication.
Multiply 5 by 5. Place the ones digit (5) in the result line and carry the tens digit (2). There is one result line for each digit in 55.
 2 4 5 ⨯ 5 5 5
Multiply 5 by 4 and add the carried 2. Place the ones digit (2) in the result line and carry the tens digit (2). There is one result line for each digit in the 55.
 4 5 ⨯ 5 5 2 2 5
Multiply 5 by 5. Place the ones digit (5) in the result line and carry the tens digit (2). There is one result line for each digit in 55.
 2 4 5 ⨯ 5 5 2 2 5 5
Multiply 5 by 4 and add the carried 2. Place the ones digit (2) in the result line and carry the tens digit (2). There is one result line for each digit in the 55.
 4 5 ⨯ 5 5 2 2 5 2 2 5
Add the numbers in each column. In this case, add 5+0, then place the 5 in the result line.
 4 5 ⨯ 5 5 2 2 5 2 2 5 5
Add the numbers in each column. In this case, add 2+5, then place the 7 in the result line.
 4 5 ⨯ 5 5 2 2 5 2 2 5 7 5
Add the numbers in each column. In this case, add 2+2, then place the 4 in the result line.
 4 5 ⨯ 5 5 2 2 5 2 2 5 4 7 5
Add the numbers in each column. In this case, add 0+2, then place the 2 in the result line.
 4 5 ⨯ 5 5 2 2 5 2 2 5 2 4 7 5
 4 5 ⨯ 5 5 2 2 5 2 2 5 2 4 7 5
The result of 45⋅55 is 2475.
2475
Multiply 45*55

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