Identify the property used in each step.
12.2 + 18.6 + –4.3 + (–18.6)
12.2 + –4.3 + 18.6 + (–18.6)
12.2 + –4.3 + [18.6 + (–18.6)]
12.2 + –4.3 + (0)
12.2 + –4.3
7.9
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Answered by
4
Answer:
12.2 + –4.3 + 18.6 + (–18.6) This shows commutative property. The commutative property states that order does nor matter
Answered by
2
Answer:
12.2 + 18.6 + –4.3 + (–18.6)
12.2 + –4.3 + 18.6 + (–18.6)
= commutative property
12.2 + –4.3 + [18.6 + (–18.6)]
= associative property
12.2 + –4.3 + (0)
= additive inverse
Step-by-step explanation:
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