Q: What is the negative version of the number 215,505,830?
A: -215,505,830
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:
| 215,505,828 | 215,505,829 | 215,505,831 | 215,505,832 |
| -215,505,828 | -215,505,829 | -215,505,831 | -215,505,832 |