Q: What is the negative version of the number 642,723,141?
A: -642,723,141
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:
| 642,723,139 | 642,723,140 | 642,723,142 | 642,723,143 |
| -642,723,139 | -642,723,140 | -642,723,142 | -642,723,143 |