+0  
 
0
1028
1
avatar

how would we do 42 - 12 ÷ 6 × 2 + 7 in order of operations

 May 1, 2014

Best Answer 

 #1
avatar+130511 
+5

how would we do 42 - 12 ÷ 6 × 2 + 7 in order of operations

---------------------------------------------------------------------------------------------------------------------------

We first perform any multiplications / divisions as we encounter them from left to right....so we have

42 - (12 / 6) X 2 + 7     =

42 - (2 x 2)  + 7           =

42 - 4 + 7                    =

38 + 7                         =

45

Notice that this would have been better written as:

42 - [ (12/6) X 2]  + 7      Here, it's clear that we should work inside the brackets first !!

 May 1, 2014
 #1
avatar+130511 
+5
Best Answer

how would we do 42 - 12 ÷ 6 × 2 + 7 in order of operations

---------------------------------------------------------------------------------------------------------------------------

We first perform any multiplications / divisions as we encounter them from left to right....so we have

42 - (12 / 6) X 2 + 7     =

42 - (2 x 2)  + 7           =

42 - 4 + 7                    =

38 + 7                         =

45

Notice that this would have been better written as:

42 - [ (12/6) X 2]  + 7      Here, it's clear that we should work inside the brackets first !!

CPhill May 1, 2014

0 Online Users