Q: What is the negative version of the number 15,215,217?
A: -15,215,217
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:
| 15,215,215 | 15,215,216 | 15,215,218 | 15,215,219 |
| -15,215,215 | -15,215,216 | -15,215,218 | -15,215,219 |