Q: What is the negative version of the number 81,457,140?
A: -81,457,140
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:
| 81,457,138 | 81,457,139 | 81,457,141 | 81,457,142 |
| -81,457,138 | -81,457,139 | -81,457,141 | -81,457,142 |