Q: What is the negative version of the number 221,521,010?
A: -221,521,010
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:
| 221,521,008 | 221,521,009 | 221,521,011 | 221,521,012 |
| -221,521,008 | -221,521,009 | -221,521,011 | -221,521,012 |