Q: What is the negative version of the number 21,221,879?
A: -21,221,879
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:
| 21,221,877 | 21,221,878 | 21,221,880 | 21,221,881 |
| -21,221,877 | -21,221,878 | -21,221,880 | -21,221,881 |