Q: What is the negative version of the number 321,215,009?
A: -321,215,009
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:
| 321,215,007 | 321,215,008 | 321,215,010 | 321,215,011 |
| -321,215,007 | -321,215,008 | -321,215,010 | -321,215,011 |