8. Which property is demonstrated by this equation?
3(1 + 2) = (1 + 2)3

(Points : 3)
Commutative Property
Associative Property
Distributive Property

9. Multiply and round to the correct number of significant digits: (40)(3.5) (Points : 3)
100
120
140
160

Question

8. Which property is demonstrated by this equation?
3(1 + 2) = (1 + 2)3

(Points : 3)
       Commutative Property
       Associative Property 
       Distributive Property 


9. Multiply and round to the correct number of significant digits: (40)(3.5) (Points : 3)
       100
       120
       140
       160

goformit100 · Answer

I will answer

mayankdevnani · Answer

8) its distributive property
distributive property= $\large a(b+c)=ab+ac$

goformit100 · Answer

Huh

mayankdevnani · Answer

sorry!!! @jayfer    its  Associative Property 
i forgot it

goformit100 · Answer

9. 140 see the calculation

mayankdevnani · Answer

The word "associative" comes from "associate" or "group";the Associative Property is the rule that refers to grouping.

mayankdevnani · Answer

ok...   @jayfer

mayankdevnani · Answer

and your 9) @goformit100   is right