Q: What is the negative version of the number 643,523,142?
A: -643,523,142
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:
| 643,523,140 | 643,523,141 | 643,523,143 | 643,523,144 |
| -643,523,140 | -643,523,141 | -643,523,143 | -643,523,144 |