Q: What is the negative version of the number 21,221,980?
A: -21,221,980
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:
| 21,221,978 | 21,221,979 | 21,221,981 | 21,221,982 |
| -21,221,978 | -21,221,979 | -21,221,981 | -21,221,982 |