Q: What is the negative version of the number 643,550,556?
A: -643,550,556
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:
| 643,550,554 | 643,550,555 | 643,550,557 | 643,550,558 |
| -643,550,554 | -643,550,555 | -643,550,557 | -643,550,558 |