Sets
Q: The universal set \(E = \{0, 1, 2, 3, 4, 5, 6, 7, 8, 9\}\), set \(A = \{\) prime numbers\} and set \(B = \{3, 6, 9\}\). List \(A \cap B\).
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Light travels from the specimen through the objective lens, then up the barrel, and finally through the eyepiece to the viewer's eye.
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