Q: What is the negative version of the number 644,022,625?
A: -644,022,625
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:
| 644,022,623 | 644,022,624 | 644,022,626 | 644,022,627 |
| -644,022,623 | -644,022,624 | -644,022,626 | -644,022,627 |