Is a Qubit in a Quantum Superposition or a Mixed State?

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Trixie Mattel
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Is it in a Quantum superposition, and then only in a mixed state when finding the reduced state of a qubit from an entanglement of multiple qubits?
 
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Trixie Mattel said:
Is it in a Quantum superposition, and then only in a mixed state when finding the reduced state of a qubit from an entanglement of multiple qubits?
Yes.