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December 20, 2014

December 20, 2014

Posted by **shay** on Thursday, February 9, 2012 at 3:21pm.

-16 + -8 x -2 -(4-9)= ?

I did it and got -72. I want to know if I'm right. I'm so confused with operations. Would you subtract the numbers and add, then multiply?

- math -
**Ms. Sue**, Thursday, February 9, 2012 at 3:30pmRemember PEMDAS

parentheses

exponents

multiply

divide

add

subtract

http://www.mathsisfun.com/operation-order-pemdas.html

-16 + -8 x -2 -(4-9)=

Parentheses: (4 - 9) = -5

-16 + -8 x -2 -(-5)=

Exponents: none

Multiply: -8 * -2 = 16

-16 + 16 -(-5)=

Divide: none

Add/Subtract

-16 + 16 + 5 = 5

- math -
**shay**, Thursday, February 9, 2012 at 7:07pmThank you

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