Fill in the blanks so that the equality holds. Also state the property used in each case. 765+(321+589)=(765+"_________")+589

Fill in the blanks so that the equality holds. Also state the property

1.	Fill in the blanks so that the equality holds. Also state the property used in each case. 765+(321+589)=(765+"_________")+589
Answer» `765`, addition is associative for whole numbers. `321`, addition is associative for whole numbers. `589`, addition is associative for whole numbers. `589`, addition is COMMUTATIVE for whole numbers. Answer :B