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Evaluate the logarithm.
Round your answer to the nearest thousandth.

log_(4)((1)/(19))~~

Evaluate the logarithm.\newlineRound your answer to the nearest thousandth.\newlinelog4(119) \log _{4}\left(\frac{1}{19}\right) \approx

Full solution

Q. Evaluate the logarithm.\newlineRound your answer to the nearest thousandth.\newlinelog4(119) \log _{4}\left(\frac{1}{19}\right) \approx
  1. Understand Problem: Understand the problem and identify the logarithmic property to use.\newlineWe need to evaluate the logarithm of a fraction, which is log4(119)\log_4\left(\frac{1}{19}\right). To do this, we can use the property of logarithms that states logb(PQ)=logb(P)logb(Q)\log_b\left(\frac{P}{Q}\right) = \log_b(P) - \log_b(Q).
  2. Apply Property: Apply the logarithmic property to the given expression.\newlineUsing the property from Step 11, we can write log4(119)\log_4\left(\frac{1}{19}\right) as log4(1)log4(19)\log_4(1) - \log_4(19).
  3. Evaluate Log(11): Evaluate log4(1)\log_4(1).\newlineThe logarithm of any number at its own base is 11, and since 11 is the multiplicative identity, log4(1)=0\log_4(1) = 0.
  4. Evaluate Log(1919): Evaluate log4(19)\log_4(19) using a calculator.\newlineSince 1919 is not a power of 44, we need to use a calculator to find the value of log4(19)\log_4(19). This is typically done by using the change of base formula: log4(19)=log(19)log(4)\log_4(19) = \frac{\log(19)}{\log(4)}.
  5. Perform Calculation: Perform the calculation using the change of base formula.\newlineUsing a calculator, we find that log(19)1.27875\log(19) \approx 1.27875 and log(4)0.60206\log(4) \approx 0.60206. Therefore, log4(19)1.278750.602062.123\log_4(19) \approx \frac{1.27875}{0.60206} \approx 2.123.
  6. Combine Results: Combine the results to find the final value.\newlineNow we combine the results from Step 33 and Step 55: 02.123=2.1230 - 2.123 = -2.123.
  7. Round Final Value: Round the result to the nearest thousandth.\newlineRounding 2.123-2.123 to the nearest thousandth gives us 2.123-2.123.

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