Q: What is the negative version of the number 21,540,197?
A: -21,540,197
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:
| 21,540,195 | 21,540,196 | 21,540,198 | 21,540,199 |
| -21,540,195 | -21,540,196 | -21,540,198 | -21,540,199 |