Chapter 10: Problem 17
Write in exponential form. $$\log _{4} 64=3$$
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Chapter 10: Problem 17
Write in exponential form. $$\log _{4} 64=3$$
These are the key concepts you need to understand to accurately answer the question.
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Determine whether common logarithms or natural logarithms would be a better choice to use for solving each equation. Do not actually solve. $$ e^{x-2}=24 $$
To four decimal places, the values of \(\log _{10} 2\) and \(\log _{10} 9\) are $$\log _{10} 2=0.3010 \text { and } \log _{10} 9=0.9542$$ Use these values and the properties of logarithms to evaluate each expression. DO NOT USE A CALCULATOR. See Example 5. $$ \log _{10} \frac{1}{9} $$
Solve each equation. Give exact solutions. $$ \log _{2} x+\log _{2}(x-7)=3 $$
An online sales company finds that its sales (in millions of dollars) are approximated by the logarithmic function $$S(x)=\log _{2}(3 x+1)$$ where \(x\) is the number of advertisements placed on a popular website. How many advertisements must be placed to earn sales of \(\$ 4\) million?
Use the change-of-base rule (with either common or natural logarithms) to approximate each logarithm to four decimal places. $$ \log _{3} \sqrt{2} $$
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