Q: What is the negative version of the number 66,661,109?
A: -66,661,109
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:
| 66,661,107 | 66,661,108 | 66,661,110 | 66,661,111 |
| -66,661,107 | -66,661,108 | -66,661,110 | -66,661,111 |