Q: What is the negative version of the number 15,721,780?
A: -15,721,780
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:
| 15,721,778 | 15,721,779 | 15,721,781 | 15,721,782 |
| -15,721,778 | -15,721,779 | -15,721,781 | -15,721,782 |