Q: What is the negative version of the number 644,007,510?
A: -644,007,510
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:
| 644,007,508 | 644,007,509 | 644,007,511 | 644,007,512 |
| -644,007,508 | -644,007,509 | -644,007,511 | -644,007,512 |