Multiply 3.50*15

Math
3.5⋅15
Multiply using long multiplication.
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Multiply 5 by 0. Place the result in the next column in the result line. There is one result line for each digit in 15.
3.50
⨯15
0
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 15.
2
3.50
⨯15
50
Multiply 5 by 3 and add the carried 2. Place the ones digit (7) in the result line and carry the tens digit (1). There is one result line for each digit in the 15.
3.50
⨯15
1750
Multiply 1 by 0. Place the result in the next column in the result line. There is one result line for each digit in 15.
3.50
⨯15
1750
0
Multiply 1 by 5. Place the result in the next column in the result line. There is one result line for each digit in 15.
3.50
⨯15
1750
50
Multiply 1 by 3. Place the result in the next column in the result line. There is one result line for each digit in 15.
3.50
⨯15
1750
350
Add the numbers in each column. In this case, add 0+0, then place the 0 in the result line.
3.50
⨯15
1750
350
0
Add the numbers in each column. In this case, add 5+0, then place the 5 in the result line.
3.50
⨯15
1750
350
50
Add the numbers in each column. In this case, add 7+5, then place the 2 in the result line and carry the 1.
3.50
⨯15
1750
350
250
Add the numbers in each column. In this case, add 1+3+1, then place the 5 in the result line.
3.50
⨯15
1750
350
5250
3.50
⨯15
1750
350
5250
To find the number of decimal places needed in the answer, add the number of decimal places in the multiplier and multiplicand. In this case, there is a total of 2, so the answer must have 2 decimal places as well.
52.5
Multiply 3.50*15

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