Q: What is the negative version of the number 21,318,390?
A: -21,318,390
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:
| 21,318,388 | 21,318,389 | 21,318,391 | 21,318,392 |
| -21,318,388 | -21,318,389 | -21,318,391 | -21,318,392 |