Q: What is the negative version of the number 21,216,508?
A: -21,216,508
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:
| 21,216,506 | 21,216,507 | 21,216,509 | 21,216,510 |
| -21,216,506 | -21,216,507 | -21,216,509 | -21,216,510 |