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lynjunlew Group Title

how do you simplify the 3rd square root of 27squared?

  • one year ago
  • one year ago

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  1. samnatha Group Title
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    does it look like this \[\sqrt[3]{27^{2}}\]

    • one year ago
  2. captaincook Group Title
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    well a cubed root is equal to an exponent of (1/3) and since its squared it will be 27^(2/3)

    • one year ago
  3. captaincook Group Title
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    |dw:1354817051724:dw|

    • one year ago
  4. lynjunlew Group Title
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    thank you!! your great!|dw:1354817096618:dw|

    • one year ago
  5. ZeHanz Group Title
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    captaincook maybe great, but I think there is more to be done ;) \[\sqrt[3]{27^2}=(\sqrt[3]{27})^2=(\sqrt[3]{3^3})^2=3^2=9 \]This is what I would call simplifying. Writing it as 27^(2/3) just changes notation...

    • one year ago
  6. lynjunlew Group Title
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    thank you for the concern. i misspoke, i actually needed to change the notation not simplify the equation.

    • one year ago
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