Q: What is the negative version of the number 721,407,660?
A: -721,407,660
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:
| 721,407,658 | 721,407,659 | 721,407,661 | 721,407,662 |
| -721,407,658 | -721,407,659 | -721,407,661 | -721,407,662 |