The value of 3 will change.

4 Add "0" or remove "0" at the end of the decimal, and the size of the decimal remains the same, which is the so-called nature of the decimal. For example,110 is 0. 1, 2/ 100 is 0.02, and 5/ 1000 is 0.005. It is used to separate the integer part from the decimal part that cannot form an integer. Integers that are not 0 are called decimals, and those that are 0 are called pure decimals. The meaning of decimals is part of the meaning of fractions.

Pick me.