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Answer:72
Step-by-step explanation: In the given algebraic expression 2m^2n^2 , we substitute m = 3 and n = 2 as shown below: 2m^2n^2 = 2 × (3)^2 × (2)^2 = 2 × 9 × 4 = 72 Hence, 2m^2n^2 =72