Q: What is the negative version of the number 640,261,261?
A: -640,261,261
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:
| 640,261,259 | 640,261,260 | 640,261,262 | 640,261,263 |
| -640,261,259 | -640,261,260 | -640,261,262 | -640,261,263 |