Q: What is the negative version of the number 645,067,240?
A: -645,067,240
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:
| 645,067,238 | 645,067,239 | 645,067,241 | 645,067,242 |
| -645,067,238 | -645,067,239 | -645,067,241 | -645,067,242 |