Q: What is the negative version of the number 20,400,400?
A: -20,400,400
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:
| 20,400,398 | 20,400,399 | 20,400,401 | 20,400,402 |
| -20,400,398 | -20,400,399 | -20,400,401 | -20,400,402 |