Q: What is the negative version of the number 215,881,407?
A: -215,881,407
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:
| 215,881,405 | 215,881,406 | 215,881,408 | 215,881,409 |
| -215,881,405 | -215,881,406 | -215,881,408 | -215,881,409 |