Q: What is the negative version of the number 642,572,730?
A: -642,572,730
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:
| 642,572,728 | 642,572,729 | 642,572,731 | 642,572,732 |
| -642,572,728 | -642,572,729 | -642,572,731 | -642,572,732 |