Q: What is the negative version of the number 645,041,554?
A: -645,041,554
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:
| 645,041,552 | 645,041,553 | 645,041,555 | 645,041,556 |
| -645,041,552 | -645,041,553 | -645,041,555 | -645,041,556 |