Use the ALEKS calculator to evaluate each expression. Round your answers to the nearest thousandth. Do not round any intermediate computations. \( \log \frac{4}{5}=\square \)

What is the value of \( \left(\frac{81}{256}\right)^{3 / 4} \)

Find the exact value of the logarithm without using a calculator. \( \log _{11} 121 \)

Wyłącz część całkowitą z ułamka niewłaściwego: a) \( \frac{9}{4} ; \) b) \( \frac{21}{5} ; \quad \) c) \( \frac{28}{4} \).

a bir doğal sayı olmak üzere \( \frac{1}{4} \) ile \( \frac{4}{7} \) arasında kaç tane \( \frac{a}{28} \) rasyonel sayısı vardır?

b) \( \frac{3}{2 \sqrt{9}}-\frac{14}{2 \sqrt{3}}+\frac{1}{\sqrt{5}} \)