Q: What is the negative version of the number 215,505,829?
A: -215,505,829
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:
| 215,505,827 | 215,505,828 | 215,505,830 | 215,505,831 |
| -215,505,827 | -215,505,828 | -215,505,830 | -215,505,831 |