Q: What is the negative version of the number 13,215,780?
A: -13,215,780
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:
| 13,215,778 | 13,215,779 | 13,215,781 | 13,215,782 |
| -13,215,778 | -13,215,779 | -13,215,781 | -13,215,782 |