Q: What is the negative version of the number 640,633,635?
A: -640,633,635
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:
| 640,633,633 | 640,633,634 | 640,633,636 | 640,633,637 |
| -640,633,633 | -640,633,634 | -640,633,636 | -640,633,637 |