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TammisaurusRex

  • 3 years ago

"Mary is solving the equation 2^n - 3 = 83. Her first three steps are shown. Step 1: 2^n - 3 = 83 Step 2: 2^n = 86 Step 3: ln 2^n = ln 86 Which shows step four?" A. n + ln 2 = ln 86 B. n = ln 86 - ln 2 C. n|n 2 = ln 86 D. ln 2 = n|n 86

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  1. Mertsj
    • 3 years ago
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    c if it says nln2=ln86

  2. TammisaurusRex
    • 3 years ago
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    Could you explain how you got that answer, if that's not too much to ask please?

  3. Mertsj
    • 3 years ago
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    Use this law of logarithms: \[\log_{b}a^n=n \log_{b}a \]

  4. Mertsj
    • 3 years ago
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    \[\ln2^n=nln2\]

  5. TammisaurusRex
    • 3 years ago
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    Ohh! okay! I see it now (: Thanks!

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