Q: What is the negative version of the number 643,621,076?
A: -643,621,076
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:
| 643,621,074 | 643,621,075 | 643,621,077 | 643,621,078 |
| -643,621,074 | -643,621,075 | -643,621,077 | -643,621,078 |