|q⟩ Bad Qubits

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Multiple choice
For qubit 0 after this circuit, what is ⟨X⟩, the X-axis projection of its Bloch vector?
⚛ The apparatus
const c = circuit(4);
c.h(0);
c.h(1);
c.h(2);
c.h(3);
c.measure(0, 1, 2, 3);
return c;

Commit your prediction for ⟨X⟩ of qubit 0 — then run it.