Q: What is the negative version of the number 278,306,221?
A: -278,306,221
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:
| 278,306,219 | 278,306,220 | 278,306,222 | 278,306,223 |
| -278,306,219 | -278,306,220 | -278,306,222 | -278,306,223 |