Q: What is the negative version of the number 21,405,940?
A: -21,405,940
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:
| 21,405,938 | 21,405,939 | 21,405,941 | 21,405,942 |
| -21,405,938 | -21,405,939 | -21,405,941 | -21,405,942 |