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anonymous

  • one year ago

Rewrite the rational exponent as a radical. 5 to the 3 over 4 power, to the 2 over 3 power Answer Choices: A) the cube root of 5 squared B) the twelfth root of 5 C) the square root of 5 D)the cube root of 5 the fourth power I think it's A but im not sure, someone please help?

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  1. Nnesha
    • one year ago
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    \[\huge\rm (5^\frac{ 5 }{ 4 })^\frac{ 2 }{ 3 }\] like this ?

  2. anonymous
    • one year ago
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    @Nnesha Yes.

  3. Nnesha
    • one year ago
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    well can you take a screenshot i think i typed it wrong

  4. anonymous
    • one year ago
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    @Nnesha

  5. anonymous
    • one year ago
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    @Nnesha did you get it?

  6. Nnesha
    • one year ago
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    weird question .... why do you think it's A ?

  7. anonymous
    • one year ago
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    @Nnesha When I worked out the problem I some how ended up with A

  8. Nnesha
    • one year ago
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    well i didn't get A i got*NONE* ORR i'm not paying attention

  9. Nnesha
    • one year ago
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    @freckles ???

  10. Nnesha
    • one year ago
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    you have to apply exponent rule \[\huge\rm (x^m)^n = x^{m \times n}\] multiply exponents and then reduce the fraction

  11. anonymous
    • one year ago
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    @Nnesha I did so, I did it 4 more times and got different answers each time. I have no idea anymore.

  12. freckles
    • one year ago
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    hey

  13. freckles
    • one year ago
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    hey @Nnesha he said to ...to the 3/4 power... but then he said yes when you put 5/4 instead...

  14. freckles
    • one year ago
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    \[(5^{\frac{3}{4})\frac{2}{3}} =5^{\frac{3}{4} \cdot \frac{2}{3}}\] first look at the fraction multiplication action going on there: \[\frac{3}{4} \cdot \frac{2}{3}\] can you simplify that?

  15. freckles
    • one year ago
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    basically you need to simplify 3/3 and 2/4

  16. Nnesha
    • one year ago
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    *facepalm* it's 3/4 >.<

  17. Nnesha
    • one year ago
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    \(\color{blue}{\text{Originally Posted by}}\) @Nnesha \[\huge\rm (5^\frac{ 5 }{ 4 })^\frac{ 2 }{ 3 }\] like this ? \(\color{blue}{\text{End of Quote}}\) \(\color{blue}{\text{Originally Posted by}}\) @06292014 @Nnesha Yes. \(\color{blue}{\text{End of Quote}}\) ......

  18. anonymous
    • one year ago
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    wow my mistake guys :/ im so sorry

  19. Nnesha
    • one year ago
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    my bad.. thanks freckles

  20. freckles
    • one year ago
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    does @06292014 still need help? if so have you done the multiplication I asked about?

  21. anonymous
    • one year ago
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    @freckles I got 1/2

  22. freckles
    • one year ago
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    cool so you have 5^(1/2)

  23. freckles
    • one year ago
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    which is the same as square root of 5

  24. anonymous
    • one year ago
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    @freckles @Nnesha thank you so much both of you for your help!

  25. anonymous
    • one year ago
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    @Nnesha @freckles

  26. freckles
    • one year ago
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    look at the exponents do top exponent - bottom exponent

  27. Nnesha
    • one year ago
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    i can't zoomin in this pdf http://assets.openstudy.com/updates/attachments/557890d9e4b0636b8cc2974f-06292014-1433965330041-cuserspattydocumentsscreenshot.pdf and people like me barely can see this^ ;P

  28. Nnesha
    • one year ago
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    and write these down 'n ur notes \[\huge\rm x^m \times x^n = x^{m+n}\]\[\large\rm (x^m)^n =x^{m \times n}\]\[\large\rm \frac{ x^m }{ x^n }= x^{m-n}\]

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