Q: What is the negative version of the number 644,056,142?
A: -644,056,142
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:
| 644,056,140 | 644,056,141 | 644,056,143 | 644,056,144 |
| -644,056,140 | -644,056,141 | -644,056,143 | -644,056,144 |