Q: What is the negative version of the number 172,721,172?
A: -172,721,172
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:
| 172,721,170 | 172,721,171 | 172,721,173 | 172,721,174 |
| -172,721,170 | -172,721,171 | -172,721,173 | -172,721,174 |