Q: What is the negative version of the number 643,517,220?
A: -643,517,220
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:
| 643,517,218 | 643,517,219 | 643,517,221 | 643,517,222 |
| -643,517,218 | -643,517,219 | -643,517,221 | -643,517,222 |