No.
eg 0.1 is non terminating in binary and so would only ever be an approximation, just like 0.3, 0.33, 0.3333333 are all approximations of 1/3 (which is non terminating when represented as a decimal).
Every decimal number can be represented by a binary number - and conversely.
1111 in binary is 15 in decimal. 1111 in decimal is 10001010111‬ in binary.
The decimal number 101 is represented by the binary number 1100101.
The largest decimal number is binary 11111, which is decimal 31.
16 = 10000
The decimal number 58 is represented by the binary number 111010.
Binary coded decimal. Each decimal digit is represented by its binary equivalent.
Just as in decimal, you can put a minus sign in front. For example, if 101 (binary) is decimal 5, then -101 (binary) is decimal -5.
221
39 = 100111
The binary number represented by 00101111 is equivalent to the decimal number 47.
101 = 5