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anonymous

  • 5 years ago

-4x^5y^-1/5 over 2x^-1/5y....Simplify and express the answer with positive exponents. Evaluate numerical expressions.

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  1. anonymous
    • 5 years ago
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    okay...few parts, so bear with me

  2. anonymous
    • 5 years ago
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    Ok

  3. anonymous
    • 5 years ago
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    \[\frac{-4x^5y^{-1/5}}{2x^{-1/5}y}\]is this your question?

  4. anonymous
    • 5 years ago
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    Yes it is

  5. anonymous
    • 5 years ago
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    Hello lokisan?

  6. anonymous
    • 5 years ago
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    \[\frac{-4x^5y^{-1/5}}{2x^{-1/5}y}=\frac{-4}{2}.\frac{x^5}{x^{-1/5}}.\frac{y^{-1/5}}{y}\]\[=-2.x^{5+1/5}.y^{-1/5-1}=-2x^{26/5}y^{-6/5}\]\[=-2\frac{x^{26/5}}{y^{6/5}}=-2\left( \frac{x^{13}}{y^3} \right)^{2/5}\]

  7. anonymous
    • 5 years ago
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    Do you understand the steps?

  8. anonymous
    • 5 years ago
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    I do, I got to the last part....But Im still a little confused on my answer part. I always get it wrong

  9. anonymous
    • 5 years ago
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    If I had more time, I'd try and go through it some more. What I can do is recommend this site: www.khanacademy.org - it's free. Look up "exponents" and "simplifying expressions with exponents". It may help - these clips are quite good. Good luck - just learn your rules for exponents and take everything step-by-step, don't try skipping anything until you're more experienced.

  10. anonymous
    • 5 years ago
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    Ok thank you

  11. anonymous
    • 5 years ago
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    no probs.

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