Q: What is the negative version of the number 21,209,110?
A: -21,209,110
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:
| 21,209,108 | 21,209,109 | 21,209,111 | 21,209,112 |
| -21,209,108 | -21,209,109 | -21,209,111 | -21,209,112 |