1.Which property of addition cab be used to rewrite the following expression so

Question

1.Which property of addition cab be used to rewrite the following expression so that it is easier to simpllify?

A. The commutative property of addition B. The associative property of addition C. The closure property for addition

1/2 + (5/2 + 3/5) and now Simplify the expression using the property of addition.

2. Which property of addition can be used to rewrite the following expression so that it is easier to simplify?

A. The commutative property of addition B. The associative property of addition C. The distributive property for multiplication over addition

-7/8 -3/8-1/8 and now simplify this expression using the property of addition

Explanation / Answer

1)

B. The associative property of addition

1/2 + (5/2 + 3/5) = ( 1/2 + 5/2 ) + 3/5 = 6/2 + 3/5 = 3 + 3/5 = 18/5

2)

B. The associative property of addition

-7/8 -3/8-1/8 = (-7/8-1/8) -3/8

= -8/8 -3/8

= -11/8

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