Q: What is the negative version of the number 451,643,640?
A: -451,643,640
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:
| 451,643,638 | 451,643,639 | 451,643,641 | 451,643,642 |
| -451,643,638 | -451,643,639 | -451,643,641 | -451,643,642 |