Q: What is the negative version of the number 21,857,680?
A: -21,857,680
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:
| 21,857,678 | 21,857,679 | 21,857,681 | 21,857,682 |
| -21,857,678 | -21,857,679 | -21,857,681 | -21,857,682 |