Q: What is the negative version of the number 643,524,398?
A: -643,524,398
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:
| 643,524,396 | 643,524,397 | 643,524,399 | 643,524,400 |
| -643,524,396 | -643,524,397 | -643,524,399 | -643,524,400 |