(101011)₂ = (53)ᵦ, then b is equal to:

2005

(101011)₂ = (53)ᵦ, then b is equal to:

  1. A.

    4

  2. B.

    8

  3. C.

    10

  4. D.

    16

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Show answer & explanation

Correct answer: B

First, convert binary (101011)₂ to decimal: 32 + 8 + 2 + 1 = 43.

Next, expand (53)ᵦ as 5b + 3.

Equating them yields 5b + 3 = 43, so 5b = 40 and b = 8.

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