Question

Are these expressions equivalent?(-2.6) + (-2.9) + (-7.1) and – (2.6+2.9+7.1) Why or why not?

Answer 1

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.

Answer 2

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