Porter had a taxable income of $34,050 and filed his federal income tax
return with the Single filing status. Using the table below find the amount he
has to pay in taxes.

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.