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What is the value of 
log_(3)((1)/(81)) ?
Answer:

Evaluate.\newlinelog3181\log _{3} \frac{1}{81}\newlineWrite your answer in simplest form.

Full solution

Q. Evaluate.\newlinelog3181\log _{3} \frac{1}{81}\newlineWrite your answer in simplest form.
  1. Recognize base and argument: Recognize the base and the argument of the logarithm. We are dealing with a logarithm with base 33 and the argument is 181\frac{1}{81}. We need to express 181\frac{1}{81} as a power of 33 to simplify the logarithm.
  2. Express as power of 33: Express 181\frac{1}{81} as a power of 33.\newlineSince 8181 is 33 raised to the power of 44 (34=813^4 = 81), 181\frac{1}{81} can be written as 343^{-4}.
  3. Apply logarithm definition: Apply the definition of logarithm.\newlineUsing the fact that logbbx=x\log_{b} b^{x} = x, we can write log334\log_{3} 3^{-4} as 4-4.
  4. Write final answer: Write down the final answer.\newlineThe value of log3181\log_{3} \frac{1}{81} is 4-4.

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