Q: What is the negative version of the number 643,545,144?
A: -643,545,144
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:
| 643,545,142 | 643,545,143 | 643,545,145 | 643,545,146 |
| -643,545,142 | -643,545,143 | -643,545,145 | -643,545,146 |