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Testing123guest

  • one year ago

@welshfella @texaschic101 plz help

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  1. Testing123guest
    • one year ago
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  2. anonymous
    • one year ago
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    Have you learnt the laws of exponents?

  3. Testing123guest
    • one year ago
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    a little but i am very bad at it

  4. anonymous
    • one year ago
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    When dividing you subtract exponents

  5. anonymous
    • one year ago
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    http://www.rapidtables.com/math/number/exponent.htm

  6. anonymous
    • one year ago
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    \[\frac{ a ^{n} }{ a^{m} }=a ^{n-m}\]

  7. Testing123guest
    • one year ago
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    ya but i dont under stand how to do it when it is n a fraction form

  8. anonymous
    • one year ago
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    use my equation that i just wrote

  9. anonymous
    • one year ago
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    what is a in your example? Its the base number. I.e a

  10. anonymous
    • one year ago
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    n=7 m=3

  11. Testing123guest
    • one year ago
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    s do i add 7 and 3

  12. Testing123guest
    • one year ago
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    *so

  13. anonymous
    • one year ago
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    \[\frac{ a ^{n} }{ a^{m} }=a ^{n-m}\]

  14. anonymous
    • one year ago
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    what are we doing to the exponents on the RHS of the equation?

  15. texaschic101
    • one year ago
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    just plug your numbers into the formula

  16. Testing123guest
    • one year ago
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    i am not sure

  17. texaschic101
    • one year ago
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    you are subtracting

  18. Testing123guest
    • one year ago
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    7-3 so 4

  19. Testing123guest
    • one year ago
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    a

  20. texaschic101
    • one year ago
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    yes...a^4

  21. Testing123guest
    • one year ago
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    now can u check this one \[3^{2} * 3^{5} * 3^{-3}\] is it 81 and what is a,b,c,d

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  22. Testing123guest
    • one year ago
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    is it b

  23. texaschic101
    • one year ago
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    when you are multiplying exponents with the same base, you add the exponents

  24. texaschic101
    • one year ago
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    so add the exponents.......2 + 5 + (-3)

  25. texaschic101
    • one year ago
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    yes...your correct...it is b

  26. Testing123guest
    • one year ago
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    one more plz

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