Q: What is the negative version of the number 21,510,523?
A: -21,510,523
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:
| 21,510,521 | 21,510,522 | 21,510,524 | 21,510,525 |
| -21,510,521 | -21,510,522 | -21,510,524 | -21,510,525 |