There is 120 ft of fencing available for a project. What would be the dimensions for the garden if the builders attached one side of the fence to the building to make the area as large as possible ?
30x60 ft?
40x40 ft?
50x25 ft?
70x30 ft?

This law is sometimes called the grouping property. as you can see, regardless of how the numbers are grouped, the answer is still 13. the associative law of multiplication is similar to the same law for addition. it says that no matter how you group numbers you are multiplying together, you will get the same answer.