Mathematics, 09.08.2021 23:40 wowihavefun
Arlene is showing her work in simplifying -7.9 + 8.2 - 3.4 + 2.1 identify any errors in her work or in her reasoning. IF YOU ANSWER ILL GIVE YOU ALL POINTS
-7.9 + 8.2 - 3.4 + 2.1 original form
-7.9 + 8.2 + (-3.4) + 2.1 Additive inverse
-7.9 + (-3.4)) + 8.2 + 2.1 Associative property
(-7.9 + (-3.4)) + (8.2 + 2.1)
Commutative property
-11.3 + 10.3 simplify
-1 simplify
Answers: 1
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Arlene is showing her work in simplifying -7.9 + 8.2 - 3.4 + 2.1 identify any errors in her work or...
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