Q: What is the negative version of the number 51,511,221?
A: -51,511,221
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:
| 51,511,219 | 51,511,220 | 51,511,222 | 51,511,223 |
| -51,511,219 | -51,511,220 | -51,511,222 | -51,511,223 |