Q: What is the negative version of the number 21,840,311?
A: -21,840,311
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:
| 21,840,309 | 21,840,310 | 21,840,312 | 21,840,313 |
| -21,840,309 | -21,840,310 | -21,840,312 | -21,840,313 |