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I have asked this question before. I have 2 calculators and one gives the answer of 2 the other answer is -13.

I was told to use PEMDAS, so I tried this and got a different answer shown below.

P   none

E   none

M   3*6=18

D   none

A   18+2=20

S   3-20= -17

Can someone explain all this and give me the correct answer and why?

 Feb 21, 2016

Best Answer 

 #3
avatar+33659 
+25

3 - 3*6 + 2 → 3 - 18 + 2  → -15 + 2  → -13

.

 Feb 21, 2016
 #2
avatar
0

The answer is -13 bully guest

 Feb 21, 2016
 #3
avatar+33659 
+25
Best Answer

3 - 3*6 + 2 → 3 - 18 + 2  → -15 + 2  → -13

.

Alan Feb 21, 2016
 #4
avatar+5265 
+5

If there is multiple sets of multiplication/division or addition/subtraction , you go right to left.

rarinstraw1195  Feb 21, 2016

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