Q: What is the negative version of the number 21,517,011?
A: -21,517,011
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:
| 21,517,009 | 21,517,010 | 21,517,012 | 21,517,013 |
| -21,517,009 | -21,517,010 | -21,517,012 | -21,517,013 |