Q: What is the negative version of the number 645,212,169?
A: -645,212,169
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:
| 645,212,167 | 645,212,168 | 645,212,170 | 645,212,171 |
| -645,212,167 | -645,212,168 | -645,212,170 | -645,212,171 |