Q: What is the negative version of the number 644,424,324?
A: -644,424,324
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:
| 644,424,322 | 644,424,323 | 644,424,325 | 644,424,326 |
| -644,424,322 | -644,424,323 | -644,424,325 | -644,424,326 |