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Math Help - order of operation

  1. #1
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    order of operation

    I need help with a math problem
    the problem goes like this
    4x6-24/4
    operation of exponets
    when i do this this is what I do
    4x6-24/4
    24-24/4=0
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  2. #2
    Senior Member
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    Quote Originally Posted by breanna007 View Post
    I need help with a math problem
    the problem goes like this
    4x6-24/4
    operation of exponets
    when i do this this is what I do
    4x6-24/4
    24-24/4=0
    4 x 6 - 24/4

    4 x 6 = 24; 24/4 = 6

    Thus, 24 - 6 = 18

    Recall "PEMDAS" Parentheses, Exponents, Multiplication/Division, Addition/Subtraction

    "Please Excuse My Dear Aunt Sally" as the mnemonic device.
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  3. #3
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    earboth's Avatar
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    Quote Originally Posted by breanna007 View Post
    I need help with a math problem
    the problem goes like this
    4x6-24/4
    operation of exponets
    when i do this this is what I do
    4x6-24/4
    24-24/4=0
    Hello,

    there is a small but nevertheless important difference between:

    \frac{4\cdot 6-24}{4}=\frac{24-24}{4}=\frac{0}{4}=0

    or

    4\cdot 6-\frac{24}{4}=24-6=18

    Now you have the choice!

    EB
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