Q: What is the negative version of the number 15,515,109?
A: -15,515,109
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:
| 15,515,107 | 15,515,108 | 15,515,110 | 15,515,111 |
| -15,515,107 | -15,515,108 | -15,515,110 | -15,515,111 |