Q: What is the negative version of the number 515,721,417?
A: -515,721,417
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:
| 515,721,415 | 515,721,416 | 515,721,418 | 515,721,419 |
| -515,721,415 | -515,721,416 | -515,721,418 | -515,721,419 |