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lemonjuice Group Title

Which of the following is equivalent to log 8 35 rounded to three decimal places

  • one year ago
  • one year ago

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  1. lemonjuice Group Title
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    do I need a calculator for this

    • one year ago
  2. Calcmathlete Group Title
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    Do you mean \(\log_8 35?\)

    • one year ago
  3. lemonjuice Group Title
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    yes

    • one year ago
  4. Calcmathlete Group Title
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    Yes. You do need a calculator, but you also need to do something else before you do. Most calculators are programmed to use only base 10 and base e. THerefore, you need to use the change of base formula to plug it into a calculator. \[\log_by = \frac{\log_cy}{\log_cb}\]Knowing this, what would \[\log_8 35\]be?

    • one year ago
  5. lemonjuice Group Title
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    does it have to be a graphing calculator because I cant find that on mine

    • one year ago
  6. Calcmathlete Group Title
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    Only has to be a scientific calculator.

    • one year ago
  7. lemonjuice Group Title
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    I have a TI-15 and cannot find the log button

    • one year ago
  8. Calcmathlete Group Title
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    Alright. I am unfamiliar with that, so I'm just going to redirect you to wolfram...just make sure that you understand the change of base formula because that's ll this wants you to do. http://www.wolframalpha.com/input/?i=log+35%2Flog+8

    • one year ago
  9. lemonjuice Group Title
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    ok thx

    • one year ago
  10. Calcmathlete Group Title
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    np :)

    • one year ago
  11. lemonjuice Group Title
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    so i is 1.709

    • one year ago
  12. robtobey Group Title
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    \[8^{(1.7097610056483221518)}=35.00000000000000000 \]

    • one year ago
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is replying to Can someone tell me what button the professor is hitting...

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