Q: What is the negative version of the number 21,521,667?
A: -21,521,667
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:
| 21,521,665 | 21,521,666 | 21,521,668 | 21,521,669 |
| -21,521,665 | -21,521,666 | -21,521,668 | -21,521,669 |