Q: What is the negative version of the number 643,521,372?
A: -643,521,372
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:
| 643,521,370 | 643,521,371 | 643,521,373 | 643,521,374 |
| -643,521,370 | -643,521,371 | -643,521,373 | -643,521,374 |