Q: What is the negative version of the number 721,040,407?
A: -721,040,407
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:
| 721,040,405 | 721,040,406 | 721,040,408 | 721,040,409 |
| -721,040,405 | -721,040,406 | -721,040,408 | -721,040,409 |