Q: What is the negative version of the number 278,550,780?
A: -278,550,780
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:
| 278,550,778 | 278,550,779 | 278,550,781 | 278,550,782 |
| -278,550,778 | -278,550,779 | -278,550,781 | -278,550,782 |