Q: What is the negative version of the number 18,991,218?
A: -18,991,218
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:
| 18,991,216 | 18,991,217 | 18,991,219 | 18,991,220 |
| -18,991,216 | -18,991,217 | -18,991,219 | -18,991,220 |