Q: What is the negative version of the number 21,240,307?
A: -21,240,307
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:
| 21,240,305 | 21,240,306 | 21,240,308 | 21,240,309 |
| -21,240,305 | -21,240,306 | -21,240,308 | -21,240,309 |