Q: What is the negative version of the number 278,391,285?
A: -278,391,285
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:
| 278,391,283 | 278,391,284 | 278,391,286 | 278,391,287 |
| -278,391,283 | -278,391,284 | -278,391,286 | -278,391,287 |