Q: What is the negative version of the number 21,520,688?
A: -21,520,688
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:
| 21,520,686 | 21,520,687 | 21,520,689 | 21,520,690 |
| -21,520,686 | -21,520,687 | -21,520,689 | -21,520,690 |