Q: What is the negative version of the number 172,905,231?
A: -172,905,231
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:
| 172,905,229 | 172,905,230 | 172,905,232 | 172,905,233 |
| -172,905,229 | -172,905,230 | -172,905,232 | -172,905,233 |