Q: What is the negative version of the number 21,166,309?
A: -21,166,309
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:
| 21,166,307 | 21,166,308 | 21,166,310 | 21,166,311 |
| -21,166,307 | -21,166,308 | -21,166,310 | -21,166,311 |