Q: What is the negative version of the number 642,402,020?
A: -642,402,020
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:
| 642,402,018 | 642,402,019 | 642,402,021 | 642,402,022 |
| -642,402,018 | -642,402,019 | -642,402,021 | -642,402,022 |