Q: What is the negative version of the number 721,146,409?
A: -721,146,409
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:
| 721,146,407 | 721,146,408 | 721,146,410 | 721,146,411 |
| -721,146,407 | -721,146,408 | -721,146,410 | -721,146,411 |