Q: What is the negative version of the number 21,720,040?
A: -21,720,040
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:
| 21,720,038 | 21,720,039 | 21,720,041 | 21,720,042 |
| -21,720,038 | -21,720,039 | -21,720,041 | -21,720,042 |