Question: ( z cdot w ) [ z cdot w = 4i cdot (2 - 2i) = 8i - 8i^2 = 8i + 8 = 8

( z \cdot w ) [ z \cdot w = 4i \cdot (2 - 2i) = 8i - 8i^2 = 8i + 8 = 8 + 8i ]

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