820 multiplied by 21 is 17220
820 × 21 = 17220
Explanation: Multiplication is repeated addition. So, 820 × 21 means adding 820, 21 times:
820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 + 820 = 17220
Word Problem Style
If you have 21 boxes and each box contains 820 apples, then the total number of apples is 17220.
Quick Facts
- 820 is called the multiplicand.
- 21 is called the multiplier.
- The result, 17220, is called the product.
Multiplication Table for 820
| 820 × N | Result |
|---|---|
| 820 × 1 | 820 |
| 820 × 2 | 1640 |
| 820 × 3 | 2460 |
| 820 × 4 | 3280 |
| 820 × 5 | 4100 |
| 820 × 6 | 4920 |
| 820 × 7 | 5740 |
| 820 × 8 | 6560 |
| 820 × 9 | 7380 |
| 820 × 10 | 8200 |
| 820 × 11 | 9020 |
| 820 × 12 | 9840 |