Q: What is the negative version of the number 13,221,009?
A: -13,221,009
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:
| 13,221,007 | 13,221,008 | 13,221,010 | 13,221,011 |
| -13,221,007 | -13,221,008 | -13,221,010 | -13,221,011 |