Are these expressions equivalent?(-2.6) + (-2.9) + (-7.1) and – (2.6+2.9+7.1) Why or why not?
2 answers:
Answer:
Yes
Step-by-step expiation:
Negative plus negative equals a positive but you add the negative to a positive the number becomes a negative. and the other side everything is
positive in parentheses followed by a negative so they are equal.
yes, that is an examle o the distributive proeprty
i we take the 2nd phrase
-(2.6+2.9+7.1)=-1(2.6+2.9+7.1)=-1(2.6)-1(2.9)-1(7.1)=-(2.6)-(2.9)-(7.1)=(-2.6)+(-2.9)+(-7.1)
yes because of distributive property
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i attached the work below. have a good day!