Q: What is the negative version of the number 686,685,240?
A: -686,685,240
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:
| 686,685,238 | 686,685,239 | 686,685,241 | 686,685,242 |
| -686,685,238 | -686,685,239 | -686,685,241 | -686,685,242 |