Q: What is the negative version of the number 645,611,744?
A: -645,611,744
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:
| 645,611,742 | 645,611,743 | 645,611,745 | 645,611,746 |
| -645,611,742 | -645,611,743 | -645,611,745 | -645,611,746 |