Q: What is the negative version of the number 81,138,766?
A: -81,138,766
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:
| 81,138,764 | 81,138,765 | 81,138,767 | 81,138,768 |
| -81,138,764 | -81,138,765 | -81,138,767 | -81,138,768 |