Q: What is the negative version of the number 21,005,500?
A: -21,005,500
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:
| 21,005,498 | 21,005,499 | 21,005,501 | 21,005,502 |
| -21,005,498 | -21,005,499 | -21,005,501 | -21,005,502 |