Ответ:

  1. а) 1101101₂ = 1·2⁶ + 1·2⁵ + 0·2⁴ + 1·2³ + 1·2² + 0·2¹ + 1 = 64 + 32 + 8 + 4 + 1 = 109₁₀.
  2. б) 1010111₂ = 2⁶ + 2⁴ + 2² + 2¹ + 2⁰ = 64 + 16 + 4 + 2 + 1 = 87₁₀.
  3. в) 1100100100₂ = 2⁹ + 2⁸ + 2⁵ + 2² = 512 + 256 + 32 + 4 = 804₁₀.