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anonymous

  • one year ago

Helpp please If loga(9) = 4, what is the value of a^4?

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  1. welshfella
    • one year ago
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    loga n = x transforms to a^x = n by the definition of a logarithm

  2. anonymous
    • one year ago
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    So a would equal 2?

  3. welshfella
    • one year ago
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    replace n by 9 and x by 4 and see what you get

  4. welshfella
    • one year ago
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    |dw:1439231422587:dw|

  5. welshfella
    • one year ago
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    the log is an exponent

  6. anonymous
    • one year ago
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    So loga(a^4)=4?

  7. welshfella
    • one year ago
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    yes now transform so that its a = ?

  8. welshfella
    • one year ago
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    * sorry a^4 = ?

  9. anonymous
    • one year ago
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    4

  10. welshfella
    • one year ago
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    no

  11. welshfella
    • one year ago
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    n = a^x x = 4 and n = ? so n = a^4 what is n?

  12. anonymous
    • one year ago
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    9

  13. welshfella
    • one year ago
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    yep

  14. welshfella
    • one year ago
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    loga 9 = 4 so 9 = a^4

  15. welshfella
    • one year ago
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    remember the log is an exponent and the base of the log is a .

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