Q: What is the negative version of the number 215,564,217?
A: -215,564,217
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:
| 215,564,215 | 215,564,216 | 215,564,218 | 215,564,219 |
| -215,564,215 | -215,564,216 | -215,564,218 | -215,564,219 |