2-0 cannot be a bonus.

3- Anything multiplied by 0 is 0.

4-0 means nothing.

5-0 is the dividing point of positive and negative, such as 0 degrees Celsius, and the scale is 0, indicating upward.

Point, 0 degree angle ....

6- In decimals less than 1, 0 is placed before the decimal point, such as 0. 13.

7- It is located after the integer tens, hundreds and thousands.

Such as: 340, 3400, 34000 .....

8- It doesn't matter if you put 0 before an integer, for example, 030 and 30 are the same.