Q: What is the negative version of the number 421,554,018?
A: -421,554,018
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:
| 421,554,016 | 421,554,017 | 421,554,019 | 421,554,020 |
| -421,554,016 | -421,554,017 | -421,554,019 | -421,554,020 |