Q: What is the negative version of the number 21,405,108?
A: -21,405,108
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:
| 21,405,106 | 21,405,107 | 21,405,109 | 21,405,110 |
| -21,405,106 | -21,405,107 | -21,405,109 | -21,405,110 |