Evaluate 0.30*125

Math
0.3⋅125
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 125.
0.30
⨯125
0
Multiply 5 by 3. Place the ones digit (5) in the result line and carry the tens digit (1). There is one result line for each digit in 125.
1
0.30
⨯125
50
Multiply 5 by 0 and add the carried 1. Place the result in the next column in the result line. There is one result line for each digit in 125.
0.30
⨯125
150
Multiply 2 by 0. Place the result in the next column in the result line. There is one result line for each digit in 125.
0.30
⨯125
150
0
Multiply 2 by 3. Place the result in the next column in the result line. There is one result line for each digit in 125.
0.30
⨯125
150
60
Multiply 2 by 0. Place the result in the next column in the result line. There is one result line for each digit in 125.
0.30
⨯125
150
060
Multiply 1 by 0. Place the result in the next column in the result line. There is one result line for each digit in 125.
0.30
⨯125
150
060
0
Multiply 1 by 3. Place the result in the next column in the result line. There is one result line for each digit in 125.
0.30
⨯125
150
060
30
Multiply 1 by 0. Place the result in the next column in the result line. There is one result line for each digit in 125.
0.30
⨯125
150
060
030
Add the numbers in each column. In this case, add 0+0+0, then place the 0 in the result line.
0.30
⨯125
150
060
030
0
Add the numbers in each column. In this case, add 5+0+0, then place the 5 in the result line.
0.30
⨯125
150
060
030
50
Add the numbers in each column. In this case, add 1+6+0, then place the 7 in the result line.
0.30
⨯125
150
060
030
750
Add the numbers in each column. In this case, add 0+0+3, then place the 3 in the result line.
0.30
⨯125
150
060
030
3750
0.30
⨯125
150
060
030
3750
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.
37.5
Evaluate 0.30*125

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