Convert 10001011 from base 2 to base 10 Select one: a. 132 b. 136 c. 139 d. 133 Convert 111111 from base 2 to base 10 Select one: a. 68 b. 63 c. 64 d. 67
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For the first number 10001011 in base 2, we can convert it to base 10 as follows: 1*(2^7) + 0*(2^6) + 0*(2^5) + 0*(2^4) + 1*(2^3) + 0*(2^2) + 1*(2^1) + 1*(2^0) = 128 + 0 + 0 + 0 + 8 + 0 + 2 + 1 = 139 So, the correct answer is 139. Show more…
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