Q: What is the negative version of the number 643,474,109?
A: -643,474,109
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:
| 643,474,107 | 643,474,108 | 643,474,110 | 643,474,111 |
| -643,474,107 | -643,474,108 | -643,474,110 | -643,474,111 |