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B - √16 * 25 = - 4 * 5 = - 202
C ∛8 * 27 * 125 = 2 * 3 * 5 = 30
D ∛49 * ∛7 = ∛49 * 7 = ∛343 = 7
E (- √5 * √2 * √10)² = (-√5 * 2 * 10)² = (- √100)² = (- 10)² = 100