Solution - Long multiplication
21
Step-by-step explanation
1. Rewrite the numbers from top to bottom aligned to the right
| Place value | tens | ones |
| 7 | ||
| × | 3 | |
2. Multiply the numbers using long multiplication method
Start by multiplying the ones digit (3) of the multiplier 3 by each digit of the multiplicand 7, from right to left.
Multiply the ones digit (3) of the multiplicator by the number in the ones place value:
3×7=21
Write 1 in the ones place.
Because the result is greater than 9, carry the 2 to the tens place.
| Place value | tens | ones |
| 2 | ||
| 7 | ||
| × | 3 | |
| 2 | 1 |
The solution is: 21
How did we do?
Please leave us feedback.