# Evaluate 0.05*50 0.05⋅50
Multiply using long multiplication.
Multiply 0 by 5. Place the result in the next column in the result line. There is one result line for each digit in 50.
 0 .0 5 ⨯ 5 0 0
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 50.
 0 .0 5 ⨯ 5 0 0 0
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 50.
 0 .0 5 ⨯ 5 0 0 0 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 50.
 2 0 0 5 ⨯ 5 0 0 0 0 5
Multiply 5 by 0 and add the carried 2. Place the result in the next column in the result line. There is one result line for each digit in 50.
 2 0 0 5 ⨯ 5 0 0 0 0 2 5
Multiply 5 by 0. Place the result in the next column in the result line. There is one result line for each digit in 50.
 0 .0 5 ⨯ 5 0 0 0 0 0 2 5
Add the numbers in each column. In this case, add 0+0, then place the 0 in the result line.
 0 .0 5 ⨯ 5 0 0 0 0 0 2 5 0
Add the numbers in each column. In this case, add 0+5, then place the 5 in the result line.
 0 .0 5 ⨯ 5 0 0 0 0 0 2 5 5 0
Add the numbers in each column. In this case, add 0+2, then place the 2 in the result line.
 0 .0 5 ⨯ 5 0 0 0 0 0 2 5 2 5 0
 0 .0 5 ⨯ 5 0 0 0 0 0 2 5 2 5 0
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.
2.5
Evaluate 0.05*50

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