Q: What is the negative version of the number 221,351,390?
A: -221,351,390
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:
| 221,351,388 | 221,351,389 | 221,351,391 | 221,351,392 |
| -221,351,388 | -221,351,389 | -221,351,391 | -221,351,392 |