Q: What is the negative version of the number 213,394,409?
A: -213,394,409
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:
| 213,394,407 | 213,394,408 | 213,394,410 | 213,394,411 |
| -213,394,407 | -213,394,408 | -213,394,410 | -213,394,411 |