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AriPotta

  • one year ago

Simplify...

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  1. maria74123
    • one year ago
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    Wait its kinda hard to read....is -2/3 the exponent???

  2. abb0t
    • one year ago
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    \[27^{-\frac{ 2 }{ 3 }} = \frac{ 1 }{ \sqrt[3]{27^2} }\]

  3. abb0t
    • one year ago
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    magic? \[\sqrt{a}=a^\frac{ 1 }{ 2 }\] similarly: \[\sqrt[100]{a}= a^{100}\] and: \[a^{-1} = \frac{ 1 }{ a^1 }= \frac{ 1 }{ a }\]

  4. abb0t
    • one year ago
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    sorry, the second one should be: \[\sqrt[100]{a} = a^\frac{ 1 }{ 100 }\]

  5. abb0t
    • one year ago
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    to be fully clear: \[\sqrt[x]{a^y} = a^\frac{ y }{ x }\]

  6. Mertsj
    • one year ago
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    Just remember: the bottom number is the root, the top number is the power. So what is the third root of 27?

  7. Mertsj
    • one year ago
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    Yes. The top number is the power which is 2 so what is 3 to the second power?

  8. Mertsj
    • one year ago
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    And there is your answer.

  9. Mertsj
    • one year ago
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    I can't see very well. Is there a negative sign in front of the 2/3?

  10. Mertsj
    • one year ago
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    If there it, it is 1/9

  11. AriPotta
    • one year ago
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    mmk. thanks :)

  12. Mertsj
    • one year ago
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    0k. Then it is 1/9. yw

  13. abb0t
    • one year ago
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    stepped out for a minute, sorry. but i see you got the answer. Good job.

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