Q: What is the negative version of the number 640,210,542?
A: -640,210,542
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:
| 640,210,540 | 640,210,541 | 640,210,543 | 640,210,544 |
| -640,210,540 | -640,210,541 | -640,210,543 | -640,210,544 |