Q: What is the negative version of the number 642,040,051?
A: -642,040,051
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:
| 642,040,049 | 642,040,050 | 642,040,052 | 642,040,053 |
| -642,040,049 | -642,040,050 | -642,040,052 | -642,040,053 |