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March 26, 2017

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Is this equation correct: (3 • x • y)4 = 81 • x • y ? Explain why. If it is correct, how can you prove this? If it is incorrect, what should be done to make it right?

  • Math 117 - ,

    The stars that you show in your
    equation means multiplication,
    but they are not normally shown
    in equations; because it is under
    stood to mean multiply. The equation
    is normally written like this:
    4(3XY) = 81XY.

    I hope I have answered your question.

  • Math 117 - ,

    This is not an equation; 12XY
    DOES NOT EQUAL 81XY.

  • Math 117 - ,

    So would you consider this equation correct if so why and if not why not?

  • Math 117 - ,

    This is correct: 12XY < 81XY, In other
    words, 12 apples are less than 81 apples. So this is an inequality.

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