Q: What is the negative version of the number 21,423,440?
A: -21,423,440
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:
| 21,423,438 | 21,423,439 | 21,423,441 | 21,423,442 |
| -21,423,438 | -21,423,439 | -21,423,441 | -21,423,442 |