7+7÷7+7×7-7=?

Question

Is the answer 0? Or is it 50?

Answer 1

Hi Jeffrey,

 

remember PEMDAS

 

Parenthesis

Exponentation

Multiplication

Division

Addition

Subtract

 

So

 

lets do the multiplication

 

7+7/7 +49 - 7

 

now division

 

7 + 1 + 49 -7

 

now addition

 

57 - 7

 

now subtraction

 

50

Answer 2

Multiplication/division (from left to right) is done before addition/subtraction

 

7 + 7 ÷ 7 + 7 · 7 - 7

7 +    1    +   49  - 7

         50

Answer 3

7+7÷7+7×7-7=?

 

Apply the order of operations, PEMDAS:

• P = operations within Parentheses
• E = Exponents
• M = Multiplications
• D = Divisions
• A = Additions
• S = Subtractions

 

There are no parentheses or exponents, so next are multiplications and divisions:

 

7 + (7/7) + (7*7) - 7  

 

7 + 1 + 49 - 7

 

Now the additions:

 

57 - 7

 

Finally the subtraction:

 

50