Q: What is the negative version of the number 21,521,178?
A: -21,521,178
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:
| 21,521,176 | 21,521,177 | 21,521,179 | 21,521,180 |
| -21,521,176 | -21,521,177 | -21,521,179 | -21,521,180 |