Q: What is the negative version of the number 66,990,407?
A: -66,990,407
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:
| 66,990,405 | 66,990,406 | 66,990,408 | 66,990,409 |
| -66,990,405 | -66,990,406 | -66,990,408 | -66,990,409 |