Q: What is the negative version of the number 21,215,206?
A: -21,215,206
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:
| 21,215,204 | 21,215,205 | 21,215,207 | 21,215,208 |
| -21,215,204 | -21,215,205 | -21,215,207 | -21,215,208 |