Q: What is the negative version of the number 645,212,404?
A: -645,212,404
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:
| 645,212,402 | 645,212,403 | 645,212,405 | 645,212,406 |
| -645,212,402 | -645,212,403 | -645,212,405 | -645,212,406 |