Q: What is the negative version of the number 645,265,021?
A: -645,265,021
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:
| 645,265,019 | 645,265,020 | 645,265,022 | 645,265,023 |
| -645,265,019 | -645,265,020 | -645,265,022 | -645,265,023 |