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miah

  • 3 years ago

what is 2√108

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  1. merchandize
    • 3 years ago
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    20.784

  2. miah
    • 3 years ago
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    simplified

  3. garrett_payne
    • 3 years ago
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    bring 2 inside the square root \[2=\sqrt{4}\] the \[\sqrt{4*108}=\sqrt{432}=20.78\]

  4. garrett_payne
    • 3 years ago
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    get it?

  5. miah
    • 3 years ago
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    A: 12√3 B: 6√3 C: 144√3 D: 8√3

  6. anonymous
    • 3 years ago
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    your job is to look for perfect squares that are factors of 108

  7. miah
    • 3 years ago
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    I dont know how to do that.

  8. anonymous
    • 3 years ago
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    since it is divisible both by 4 and by 9, it is divisible by 36

  9. anonymous
    • 3 years ago
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    in fact, \(108=36\times 3\)

  10. garrett_payne
    • 3 years ago
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    similar if you take out of the square root \[\sqrt{432}= \sqrt{144*3}=12\sqrt{3}\]

  11. anonymous
    • 3 years ago
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    so \[\sqrt{108}=\sqrt{36\times 3}=\sqrt{36}\sqrt{3}=6\sqrt{3}\]

  12. anonymous
    • 3 years ago
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    if your question is \[2\sqrt{108}\] then the answer would be \[12\sqrt{3}\]

  13. miah
    • 3 years ago
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    Thanks !

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