Q: What is the negative version of the number 21,500,420?
A: -21,500,420
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:
| 21,500,418 | 21,500,419 | 21,500,421 | 21,500,422 |
| -21,500,418 | -21,500,419 | -21,500,421 | -21,500,422 |