Q: What is the negative version of the number 721,663,672?
A: -721,663,672
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:
| 721,663,670 | 721,663,671 | 721,663,673 | 721,663,674 |
| -721,663,670 | -721,663,671 | -721,663,673 | -721,663,674 |