Q: What is the negative version of the number 172,021,907?
A: -172,021,907
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:
| 172,021,905 | 172,021,906 | 172,021,908 | 172,021,909 |
| -172,021,905 | -172,021,906 | -172,021,908 | -172,021,909 |