Q: What is the negative version of the number 21,780,006?
A: -21,780,006
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:
| 21,780,004 | 21,780,005 | 21,780,007 | 21,780,008 |
| -21,780,004 | -21,780,005 | -21,780,007 | -21,780,008 |