Q: What is the negative version of the number 664,640,450?
A: -664,640,450
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:
| 664,640,448 | 664,640,449 | 664,640,451 | 664,640,452 |
| -664,640,448 | -664,640,449 | -664,640,451 | -664,640,452 |