Q: What is the negative version of the number 21,531,510?
A: -21,531,510
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:
| 21,531,508 | 21,531,509 | 21,531,511 | 21,531,512 |
| -21,531,508 | -21,531,509 | -21,531,511 | -21,531,512 |