Q: What is the negative version of the number 643,561,260?
A: -643,561,260
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:
| 643,561,258 | 643,561,259 | 643,561,261 | 643,561,262 |
| -643,561,258 | -643,561,259 | -643,561,261 | -643,561,262 |