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Basic Math Examples
0.3⋅100
Step 1
Step 1.1
Multiply 0 by 3. Place the result in the next column in the result line. There is one result line for each digit in 100.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 |
Step 1.2
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 100.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 |
Step 1.3
Multiply 0 by 3. Place the result in the next column in the result line. There is one result line for each digit in 100.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 |
Step 1.4
Multiply 0 by 0. Place the result in the next column in the result line. There is one result line for each digit in 100.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 | 0 |
Step 1.5
Multiply 1 by 3. Place the result in the next column in the result line. There is one result line for each digit in 100.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 | 0 | ||
| 3 |
Step 1.6
Multiply 1 by 0. Place the result in the next column in the result line. There is one result line for each digit in 100.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 | 0 | ||
| 0 | 3 |
Step 1.7
Add the numbers in each column. In this case, add 0+0+0, then place the 0 in the result line.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 | 0 | ||
| 0 | 3 | ||
| 0 |
Step 1.8
Add the numbers in each column. In this case, add 0+0+0, then place the 0 in the result line.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 | 0 | ||
| 0 | 3 | ||
| 0 | 0 |
Step 1.9
Add the numbers in each column. In this case, add 0+0+3, then place the 3 in the result line.
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 | 0 | ||
| 0 | 3 | ||
| 3 | 0 | 0 |
| 0 | .3 | ||
| ⨯ | 1 | 0 | 0 |
| 0 | 0 | ||
| 0 | 0 | ||
| 0 | 3 | ||
| 3 | 0 | 0 |
Step 2
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 1, so the answer must have 1 decimal places as well.
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