Q: What is the negative version of the number 643,542,525?
A: -643,542,525
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:
| 643,542,523 | 643,542,524 | 643,542,526 | 643,542,527 |
| -643,542,523 | -643,542,524 | -643,542,526 | -643,542,527 |