Q: What is the negative version of the number 215,501,515?
A: -215,501,515
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:
| 215,501,513 | 215,501,514 | 215,501,516 | 215,501,517 |
| -215,501,513 | -215,501,514 | -215,501,516 | -215,501,517 |