Q: What is the negative version of the number 521,221,525?
A: -521,221,525
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:
| 521,221,523 | 521,221,524 | 521,221,526 | 521,221,527 |
| -521,221,523 | -521,221,524 | -521,221,526 | -521,221,527 |