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anonymous

  • one year ago

please help me will fan and medal ;-;

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  1. anonymous
    • one year ago
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    whats

  2. anonymous
    • one year ago
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  3. anonymous
    • one year ago
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    C

  4. anonymous
    • one year ago
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    explain ? i need the correct asnwer

  5. anonymous
    • one year ago
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    sorry D

  6. anonymous
    • one year ago
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    i had put b as my answer

  7. anonymous
    • one year ago
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    can u explain please ?

  8. anonymous
    • one year ago
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    Actually it is B

  9. anonymous
    • one year ago
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    .....

  10. anonymous
    • one year ago
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    @welshfella

  11. welshfella
    • one year ago
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    Hint: (y^4)^4 = y^(4*4) = x^16

  12. welshfella
    • one year ago
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    look at the y^4 in first expression and second

  13. welshfella
    • one year ago
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    y^4 is changed to y^8 is that correct? remember that the 4 outside the large bracket in first expression takes everything inside to power 4

  14. anonymous
    • one year ago
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    yes it is correct

  15. welshfella
    • one year ago
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    - you should multiply the exponents by 4 - not add 4

  16. anonymous
    • one year ago
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    Oh ok so thats not correct

  17. welshfella
    • one year ago
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    what is correct?

  18. anonymous
    • one year ago
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    since its an exponent

  19. welshfella
    • one year ago
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    (y^4)^4 = y^16 NOT y^8

  20. anonymous
    • one year ago
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    yes thats what i meant haha

  21. welshfella
    • one year ago
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    and so which step is wrong?

  22. anonymous
    • one year ago
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    the y^4 to y^8 is wrong

  23. welshfella
    • one year ago
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    right - and which step is that in?

  24. anonymous
    • one year ago
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    1 ?

  25. welshfella
    • one year ago
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    right

  26. welshfella
    • one year ago
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    4 is added to all the exponents in step 1 instead of multiplying by 4

  27. anonymous
    • one year ago
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    oh so the answer is a ?

  28. welshfella
    • one year ago
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    yes

  29. anonymous
    • one year ago
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    haha yes i get it now thansk so much once again :D

  30. welshfella
    • one year ago
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    yw

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