Question

Convert the binary number 11011101 to decimal.
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Answer 1

221 is the answer.

Explanation:

(1 x 2^7) + (1 x 2^6) + (0 x 2^5) + (1 x 2^4) + (1 x 2^3) + (0 x 2^2) + (1 x 2^1) + (1 x 2^0) = 128 + 64 + 16 + 8 + 4 + 1 = 221