Which property could be used to find the missing number?

(–8 + 3.1) • (4.2 + 7) = (4.2 + 7) • (–8 + )

A.
distributive property

B.
associative property

C.
commutative property

Question

Which property could be used to find the missing number?
 
(–8 + 3.1) • (4.2 + 7) = (4.2 + 7) • (–8 +   )
 
 A.
distributive property
 
 B.
associative property
 
 C.
commutative property

anonymous · Answer

You have to distribute the numbers when you have multiplication like this

anonymous · Answer

ur wrong on all its c @gaos

geerky42 · Answer

|dw:1433276351074:dw|
you can see that parenthesis were switched.

So this is commutative property: 

$\Large a\times b = b\times a$