Q: What is the negative version of the number 90,178,421?
A: -90,178,421
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:
| 90,178,419 | 90,178,420 | 90,178,422 | 90,178,423 |
| -90,178,419 | -90,178,420 | -90,178,422 | -90,178,423 |