Q: What is the negative version of the number 278,645,449?
A: -278,645,449
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:
| 278,645,447 | 278,645,448 | 278,645,450 | 278,645,451 |
| -278,645,447 | -278,645,448 | -278,645,450 | -278,645,451 |