Q: What is the negative version of the number 423,420,009?
A: -423,420,009
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:
| 423,420,007 | 423,420,008 | 423,420,010 | 423,420,011 |
| -423,420,007 | -423,420,008 | -423,420,010 | -423,420,011 |