Q: What is the negative version of the number 213,422,409?
A: -213,422,409
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:
| 213,422,407 | 213,422,408 | 213,422,410 | 213,422,411 |
| -213,422,407 | -213,422,408 | -213,422,410 | -213,422,411 |