Q: What is the negative version of the number 217,155,207?
A: -217,155,207
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:
| 217,155,205 | 217,155,206 | 217,155,208 | 217,155,209 |
| -217,155,205 | -217,155,206 | -217,155,208 | -217,155,209 |