Final answer:
The rightmost value of "0" in the binary number "01011010" is a placeholder for 1.
In the binary number '01011010', the rightmost '0' is a placeholder for 2^1, which equals 2.
Step-by-step explanation:
In binary numbers, each digit has a place value based on its position. The rightmost digit has a place value of 2^0, which is 1. So in the binary number "01011010", the rightmost value of "0" is a placeholder for 1.
In the binary number '01011010', the rightmost '0' is a placeholder for 2^1, which equals 2.
In the binary number "01011010", the rightmost value of "0" is a placeholder for 21, which is 2. In binary, each place represents a power of 2, ascending from right to left, starting with 20. Thus, the rightmost digit represents 21, the second digit from the right represents 22, and so on. The correct answer is (b) 21 or simply 2.