Q: What is the negative version of the number 21,155,556?
A: -21,155,556
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:
| 21,155,554 | 21,155,555 | 21,155,557 | 21,155,558 |
| -21,155,554 | -21,155,555 | -21,155,557 | -21,155,558 |