Q: What is the negative version of the number 21,521,429?
A: -21,521,429
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:
| 21,521,427 | 21,521,428 | 21,521,430 | 21,521,431 |
| -21,521,427 | -21,521,428 | -21,521,430 | -21,521,431 |