Q: What is the negative version of the number 109,139,809?
A: -109,139,809
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:
| 109,139,807 | 109,139,808 | 109,139,810 | 109,139,811 |
| -109,139,807 | -109,139,808 | -109,139,810 | -109,139,811 |