Q: What is the negative version of the number 643,614,155?
A: -643,614,155
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:
| 643,614,153 | 643,614,154 | 643,614,156 | 643,614,157 |
| -643,614,153 | -643,614,154 | -643,614,156 | -643,614,157 |