8 times 10 is 80. In symbols: 8 × 10 = 80, and 10 × 8 = 80 too.
8 × 10 means adding 8 to itself 10 times: 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 = 80.
8, 16, 24, 32, 40, 48, 56, 64, 72, 80. The 10th multiple of 8 is 80.
8 × 10 = 8 × 5 + 8 × 5 = 40 + 40 = 80.
Halve one number and double the other: 8 × 10 = 4 × 20 = 80.
80 ÷ 8 = 10
80 ÷ 10 = 8
80 is even. Prime factorization: 2 × 2 × 2 × 2 × 5.
| Multiplication | Answer |
|---|---|
| 7 × 10 | 70 |
| 9 × 10 | 90 |
| 8 × 9 | 72 |
| 8 × 11 | 88 |
| 8 × 12 | 96 |
| 8 × 8 | 64 |
| 10 × 10 | 100 |
| 6 × 10 | 60 |
See also: factors of 80.
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