Q: What is the negative version of the number 21,510,522?
A: -21,510,522
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 21,510,520 | 21,510,521 | 21,510,523 | 21,510,524 |
| -21,510,520 | -21,510,521 | -21,510,523 | -21,510,524 |