Q: What is the negative version of the number 21,512,722?
A: -21,512,722
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:
| 21,512,720 | 21,512,721 | 21,512,723 | 21,512,724 |
| -21,512,720 | -21,512,721 | -21,512,723 | -21,512,724 |