Solution - Long multiplication
360
Step-by-step explanation
1. Rewrite the numbers from top to bottom aligned to the right
| Place value | hundreds | tens | ones |
| 1 | 2 | ||
| × | 3 | 0 | |
2. Multiply the numbers using long multiplication method
Because the ones digit of the multiplicator equals 0, skip to the next digit.
Proceed by multiplying the tens digit (3) of the multiplier (30) by each digit of the multiplicand (12), from right to left.
Because digit (3) is in tens place, we shift partial result by 1 place(s) by placing 1 zero(s).
| Place value | hundreds | tens | ones |
| 1 | 2 | ||
| × | 3 | 0 | |
| 0 |
Multiply the tens digit (3) of the multiplicator by the number in the ones place value:
3×2=6
Write 6 in the tens place.
| Place value | hundreds | tens | ones |
| 1 | 2 | ||
| × | 3 | 0 | |
| 6 | 0 |
Multiply the tens digit (3) of the multiplicator by the number in the tens place value:
3×1=3
Write 3 in the hundreds place.
| Place value | hundreds | tens | ones |
| 1 | 2 | ||
| × | 3 | 0 | |
| 3 | 6 | 0 |
360 is the first partial product.
3. Add the partial products
360=360 long addition steps can be seen here
| Place value | hundreds | tens | ones |
| 1 | 2 | ||
| × | 3 | 0 | |
| + | 3 | 6 | 0 |
| 3 | 6 | 0 |
The solution is: 360
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