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Which pair of expressions are equivalent using the Associative Property of Multiplication?

6(4a ⋅ 2) = 24a ⋅ 12

6(4a ⋅ 2) = (4a ⋅ 2) ⋅ 6

6(4a ⋅ 2) = 6 ⋅ 4a ⋅ 2

6(4a ⋅ 2) = (6 ⋅ 4a) ⋅ 2