Q: What is the negative version of the number 21,509,029?
A: -21,509,029
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:
| 21,509,027 | 21,509,028 | 21,509,030 | 21,509,031 |
| -21,509,027 | -21,509,028 | -21,509,030 | -21,509,031 |