Chapter 3: Problem 62
Find a number \(m\) such that \(\log _{5}\left(\log _{6} m\right)=3\).
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Chapter 3: Problem 62
Find a number \(m\) such that \(\log _{5}\left(\log _{6} m\right)=3\).
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Evaluate the given quantities assuming that $$ \begin{array}{l} \log _{3} x=5.3 \text { and } \log _{3} y=2.1 \\ \log _{4} u=3.2 \text { and } \log _{4} v=1.3 \end{array} $$ $$ \log _{4} \frac{u}{8 v} $$
Sirius, the brightest star that can be seen from Earth (not counting the sun), has an apparent magnitude of -1.4 . Vega, which was the North Star about 12,000 years ago (slight changes in Earth's orbit lead to changing North Stars every several thousand years), has an apparent magnitude of \(0.03 .\) How many times brighter than Vega is Sirius?
Find all numbers \(x\) that satisfy the given equation. $$ (\log (3 x)) \log x=4 $$
Suppose a colony of bacteria starts with 200 cells and triples in size every four hours. (a) Find a function that models the population growth of this colony of bacteria. (b) Approximately how many cells will be in the colony after six hours?
Explain why $$ 2-\log x=\log \frac{100}{x} $$ for every positive number \(x\).
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