Q: What is the negative version of the number 21,510,340?
A: -21,510,340
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:
| 21,510,338 | 21,510,339 | 21,510,341 | 21,510,342 |
| -21,510,338 | -21,510,339 | -21,510,341 | -21,510,342 |