6
AssignmentMultiple Choice

Real Numbers

Question 6 • *V* Algebra 2 S1

The following examples illustrate the commutative property of addition. 7 + 8 + 3 = 7 + 3 + 8 4.6 + 11.4 = 11.4 + 4.6Study the examples, then choose the statement that best describes the property.

Answer
A
a + b = a – b
B
a + (b + c) = (a + b) + c
C
a + b = a + c
D
a + b = b + a

Explanation

The examples show that changing the order of the addends does not change the sum: 7 + 8 + 3 becomes 7 + 3 + 8, and 4.6 + 11.4 becomes 11.4 + 4.6. This is the commutative property of addition, written as a + b = b + a. Choice D states this property.

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