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mscrosscountry Group Title

Simplify. Express the quotient as a rational exponent. x to the 4 fifths power over x to the 1 third power

  • 2 years ago
  • 2 years ago

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  1. philips13 Group Title
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    Is this it? \[x^{4/5} \over x^{1/3}\]

    • 2 years ago
  2. mscrosscountry Group Title
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    yes

    • 2 years ago
  3. brinethery Group Title
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    http://tutorial.math.lamar.edu/Classes/Alg/IntegerExponents.aspx Property 3. a^m/a^n = a^(m-n)

    • 2 years ago
  4. brinethery Group Title
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    Get both fractions so that they have a common denominator and then subtract them.

    • 2 years ago
  5. mscrosscountry Group Title
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    is it x 4/15?

    • 2 years ago
  6. philips13 Group Title
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    \[x^{4/5}x^{-1/3}\]

    • 2 years ago
  7. brinethery Group Title
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    I think like x^7/15

    • 2 years ago
  8. mscrosscountry Group Title
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    x 3/2?

    • 2 years ago
  9. mscrosscountry Group Title
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    here are my options: x3/2 x7/15 x17/15 x4/15

    • 2 years ago
  10. philips13 Group Title
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    bri is right the exponent is 4/5 - 1/3

    • 2 years ago
  11. mscrosscountry Group Title
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    so 3/2

    • 2 years ago
  12. philips13 Group Title
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    remember how to subtract fractions? Least common denominator?

    • 2 years ago
  13. philips13 Group Title
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    fancy way of saying make the numbers on the bottom the same before you can subtract

    • 2 years ago
  14. brinethery Group Title
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    What's 12/15 - 5/15?

    • 2 years ago
  15. mscrosscountry Group Title
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    7/15 okay i understand now

    • 2 years ago
  16. brinethery Group Title
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    Make sure you know how to add and subtract fractions, it's very important.

    • 2 years ago
  17. brinethery Group Title
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    good luck!

    • 2 years ago
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