Answer:
27.625
Step-by-step explanation:
every binary digit is a power of 2, after the decimal point they become negative:
1·2⁴ + 1·2³ + 0·2² + 1·2¹ + 1·2⁰ + 1·2⁻¹ + 0·2⁻² + 1·2⁻³ = 27.625
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