Q: What is the negative version of the number 640,523,560?
A: -640,523,560
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:
| 640,523,558 | 640,523,559 | 640,523,561 | 640,523,562 |
| -640,523,558 | -640,523,559 | -640,523,561 | -640,523,562 |