Q: What is the negative version of the number 421,356,666?
A: -421,356,666
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:
| 421,356,664 | 421,356,665 | 421,356,667 | 421,356,668 |
| -421,356,664 | -421,356,665 | -421,356,667 | -421,356,668 |