Q: What is the negative version of the number 51,521,421?
A: -51,521,421
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:
| 51,521,419 | 51,521,420 | 51,521,422 | 51,521,423 |
| -51,521,419 | -51,521,420 | -51,521,422 | -51,521,423 |