Q: What is the negative version of the number 215,617,615?
A: -215,617,615
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:
| 215,617,613 | 215,617,614 | 215,617,616 | 215,617,617 |
| -215,617,613 | -215,617,614 | -215,617,616 | -215,617,617 |