Q: What is the negative version of the number 640,633,606?
A: -640,633,606
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:
| 640,633,604 | 640,633,605 | 640,633,607 | 640,633,608 |
| -640,633,604 | -640,633,605 | -640,633,607 | -640,633,608 |