Q: What is the negative version of the number 515,640,242?
A: -515,640,242
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:
| 515,640,240 | 515,640,241 | 515,640,243 | 515,640,244 |
| -515,640,240 | -515,640,241 | -515,640,243 | -515,640,244 |