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anonymous

  • one year ago

Help me please Use the Change of Base Formula to evaluate log5 92. Then convert log5 92 to a logarithm in base 3. Round to the nearest thousandth.

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  1. anonymous
    • one year ago
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    the formula is loga x = logb x ---------- logb a

  2. imqwerty
    • one year ago
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    yes correct now u just need to put the values of a,b,x as 5, 3,92

  3. anonymous
    • one year ago
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    I'm not sure what the values a and b are

  4. imqwerty
    • one year ago
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    \[\log_{5} 92 = \frac{ \log_{3}92 }{ \log_{3}5 }\]

  5. anonymous
    • one year ago
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    like log5 = log3 5 ------ log 3 92 idk didn't do that right probably

  6. anonymous
    • one year ago
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    oh so I was close

  7. imqwerty
    • one year ago
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    yes :)

  8. anonymous
    • one year ago
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    sorry afk but i don't have a calculator that figures this out. Do you know website or something?

  9. anonymous
    • one year ago
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    @imqwerty

  10. imqwerty
    • one year ago
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    u can go here- http://www.1728.org/logrithm.htm

  11. anonymous
    • one year ago
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    not sure how I'd type in the fraction part

  12. imqwerty
    • one year ago
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    u just calculate the values of the numerator part nd the denominator part nd then u can divide those values in your normal calculator :)

  13. anonymous
    • one year ago
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    yeah don't have a calculator. I've been using the internet but oh well

  14. anonymous
    • one year ago
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    okay I'm getting 2.809545

  15. anonymous
    • one year ago
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    what was that website you just deleted?

  16. imqwerty
    • one year ago
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    nah nevermind well to calculate the value of that fraction u didn't needed to calculate the numerator part nd denominator part separately...nd ol that value is the same as\[\log_{5}92\] so basically u just needed to find that :P nd yes the value which u got is correct now just round it to the nearest thousandth

  17. anonymous
    • one year ago
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    I have two options with 2.810 so I thought I had to do something else.

  18. anonymous
    • one year ago
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    I have 2.810; log3 55.2 or 2.810; log3 21.903 so not sure how to get the last part

  19. Hayleymeyer
    • one year ago
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    @imqwerty heres your chance to shine!

  20. imqwerty
    • one year ago
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    lol what XD

  21. Hayleymeyer
    • one year ago
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    i think she's still asking for help, twerkyy.

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