Q: What is the negative version of the number 221,515,500?
A: -221,515,500
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:
| 221,515,498 | 221,515,499 | 221,515,501 | 221,515,502 |
| -221,515,498 | -221,515,499 | -221,515,501 | -221,515,502 |