Q: What is the negative version of the number 721,344,637?
A: -721,344,637
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:
| 721,344,635 | 721,344,636 | 721,344,638 | 721,344,639 |
| -721,344,635 | -721,344,636 | -721,344,638 | -721,344,639 |