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Like the Associative Law of Addition, the Associative Property of Multiplication works the same way. For example, if I had to multiply 2, 5, and 12. It may be easier for some people to multiply the 2 and the 5 first, then take 10 x 12 to get 120. Others may feel like it's easier to take 5 x 12 to get 60 and then multiply that by 2 to get the same 120. The point is that either method is correct when all three numbers are multiplied together. Watch this video for more examples.
Source: Khan Academy, https://www.khanacademy.org/math/pre-algebra/pre-algebra-arith-prop/pre-algebra-arithmetic-properties/v/associate-property-of-multiplication This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License.