Q: What is the negative version of the number 521,553,221?
A: -521,553,221
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:
| 521,553,219 | 521,553,220 | 521,553,222 | 521,553,223 |
| -521,553,219 | -521,553,220 | -521,553,222 | -521,553,223 |