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Griffindore

  • one year ago

Which expression is equivalent to 2^4 ⋅ 2^−7 1/2^11 1/2^3 2^3 2^11

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  1. Nnesha
    • one year ago
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    when you multiply same bases you should add their exponents \[\huge\rm x^m \times x^n =x^{m+n}\]

  2. Griffindore
    • one year ago
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    oh s0 2^11?

  3. Nnesha
    • one year ago
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    nope

  4. Nnesha
    • one year ago
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    2nd exponent is negative so positive - negative = ?

  5. Griffindore
    • one year ago
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    i meant -11

  6. Griffindore
    • one year ago
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    oh minus

  7. Griffindore
    • one year ago
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    so that makes it c right?

  8. Nnesha
    • one year ago
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    no here is an example \[\huge\rm x^m \times x^{-n} = x^{m+(-n)}\]

  9. Griffindore
    • one year ago
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    so it b??? im a litlle confused

  10. Nnesha
    • one year ago
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    explain why do you think its b ? don't guess

  11. Griffindore
    • one year ago
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    because of the negative and there is no other awnser that maes sence so proccess of eliminaion

  12. Nnesha
    • one year ago
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    what exponent did you get at the top ?

  13. Griffindore
    • one year ago
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    -3

  14. Nnesha
    • one year ago
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    yep so you are not allowed to leave negative exponent so flip the fraction

  15. Nnesha
    • one year ago
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    so your answer is correct.

  16. Griffindore
    • one year ago
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    thanks

  17. Nnesha
    • one year ago
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    np

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