Q: What is the negative version of the number 261,521,109?
A: -261,521,109
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:
| 261,521,107 | 261,521,108 | 261,521,110 | 261,521,111 |
| -261,521,107 | -261,521,108 | -261,521,110 | -261,521,111 |