Solution - Long multiplication
162
Step-by-step explanation
1. Rewrite the numbers from top to bottom aligned to the right
| Place value | hundreds | tens | ones |
| 1 | 8 | ||
| × | 9 | ||
2. Multiply the numbers using long multiplication method
Start by multiplying the ones digit (9) of the multiplier 9 by each digit of the multiplicand 18, from right to left.
Multiply the ones digit (9) of the multiplicator by the number in the ones place value:
9×8=72
Write 2 in the ones place.
Because the result is greater than 9, carry the 7 to the tens place.
| Place value | hundreds | tens | ones |
| 7 | |||
| 1 | 8 | ||
| × | 9 | ||
| 2 |
Multiply the ones digit (9) of the multiplicator by the number in the tens place value and add the carried number (7):
9×1+7=16
Write 6 in the tens place.
Because the result is greater than 9, carry the 1 to the hundreds place.
| Place value | hundreds | tens | ones |
| 1 | 7 | ||
| 1 | 8 | ||
| × | 9 | ||
| 1 | 6 | 2 |
The solution is: 162
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