5
6
7
8
Correct answer is C
M5_{ten} = 1001011_{two}\\ =1 \times 2^6 + 0\times 2^5 + 0\times 2^4 + 1\times 2^3 + 0\times 2^2 + 1\times 2^1 \\ =64+8+2+1=75_{ten}\\ ∴ m = 7
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