Q: What is the negative version of the number 21,660,006?
A: -21,660,006
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:
| 21,660,004 | 21,660,005 | 21,660,007 | 21,660,008 |
| -21,660,004 | -21,660,005 | -21,660,007 | -21,660,008 |