Q: What is the negative version of the number 21,006,668?
A: -21,006,668
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:
| 21,006,666 | 21,006,667 | 21,006,669 | 21,006,670 |
| -21,006,666 | -21,006,667 | -21,006,669 | -21,006,670 |