SAT, 04.08.2020 23:01 bandithcarroyuqhi

B(n)=2^n A binary code word of length n is a string of 0's and 1's with n digits. For example, 1001 is a binary code word of length 4. The number of binary code words, B(n), of length n, is shown above. If the length is increased from n to n+1, how many more binary code words will there be? The answer is 2^n, but I don't get how they got that answer. I would think 2^n+1 minus 2^n would be 2. Please help me! Thank you!

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B(n)=2^n A binary code word of length n is a string of 0's and 1's with n digits. For example, 1001...

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