Q: What is the negative version of the number 21,515,558?
A: -21,515,558
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:
| 21,515,556 | 21,515,557 | 21,515,559 | 21,515,560 |
| -21,515,556 | -21,515,557 | -21,515,559 | -21,515,560 |