Q: What is the negative version of the number 21,138,759?
A: -21,138,759
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:
| 21,138,757 | 21,138,758 | 21,138,760 | 21,138,761 |
| -21,138,757 | -21,138,758 | -21,138,760 | -21,138,761 |