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03-03-2015
Mathematics

Answered

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Which is an example of the commutative property?

A.
–13 + 27 = 27 + (–13)

B.
–21 + (11 + 13) = (–21 + 11) + 13

C.
4(–3 + 5) = 4(–3) + 4 ∙ 5

D.
–(–8 + 3) = 8 + (–3)

Answer :

03-03-2015

The correct answer is A. The commutative property says that we can swap number when we add. More exactly... it means that a+b=b+a => -13+27=27+(-13)= 14

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