Chapter 12

Introductory and Intermediate Algebra for College Students 4th · 410 exercises

Problem 1

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$2^{x}=64$$

3 step solution

Problem 1

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{5}(7 \cdot 3)$$

2 step solution

Problem 1

Write each equation in its equivalent exponential form. $$4=\log _{2} 16$$

3 step solution

Problem 1

Approximate each number using \(a\) calculator. Round your answer to three decimal places. $$ 2^{3.4} $$

3 step solution

Problem 2

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$3^{x}=81$$

3 step solution

Problem 2

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{8}(13 \cdot 7)$$

2 step solution

Problem 2

Write each equation in its equivalent exponential form. $$6=\log _{2} 64$$

3 step solution

Problem 2

Approximate each number using a calculator. Round your answer to three decimal places. $$3^{2.4}$$

2 step solution

Problem 3

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$5^{x}=125$$

3 step solution

Problem 3

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{7}(7 x)$$

3 step solution

Problem 3

Write each equation in its equivalent exponential form. $$2=\log _{3} x$$

2 step solution

Problem 3

Approximate each number using a calculator. Round your answer to three decimal places. $$3^{\sqrt{5}}$$

4 step solution

Problem 4

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$5^{x}=625$$

3 step solution

Problem 4

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{9}(9 x)$$

2 step solution

Problem 4

Write each equation in its equivalent exponential form. $$2=\log _{9} x$$

2 step solution

Problem 4

Approximate each number using a calculator. Round your answer to three decimal places. $$5^{\sqrt{3}}$$

3 step solution

Problem 5

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$2^{2 x-1}=32$$

4 step solution

Problem 5

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log (1000 x)$$

3 step solution

Problem 5

Write each equation in its equivalent exponential form. $$5=\log _{b} 32$$

2 step solution

Problem 5

Approximate each number using a calculator. Round your answer to three decimal places. $$4^{-1.5}$$

3 step solution

Problem 6

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$3^{2 x+1}=27$$

3 step solution

Problem 6

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log (10,000 x)$$

3 step solution

Problem 6

Write each equation in its equivalent exponential form. $$3=\log _{b} 27$$

2 step solution

Problem 6

Approximate each number using a calculator. Round your answer to three decimal places. $$ 6^{-1.2} $$

4 step solution

Problem 7

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$4^{2 x-1}=64$$

3 step solution

Problem 7

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{7}\left(\frac{7}{x}\right)$$

3 step solution

Problem 7

Write each equation in its equivalent exponential form. $$\log _{6} 216=y$$

2 step solution

Problem 7

Approximate each number using a calculator. Round your answer to three decimal places. $$ e^{2.3} $$

3 step solution

Problem 8

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$5^{3 x-1}=125$$

3 step solution

Problem 8

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{9}\left(\frac{9}{x}\right)$$

3 step solution

Problem 8

Write each equation in its equivalent exponential form. $$\log _{5} 125=y$$

2 step solution

Problem 8

Approximate each number using a calculator. Round your answer to three decimal places. $$e^{3.4}$$

2 step solution

Problem 9

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$32^{x}=8$$

5 step solution

Problem 9

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log \left(\frac{x}{100}\right)$$

3 step solution

Problem 9

Write each equation in its equivalent logarithmic form. $$2^{3}=8$$

2 step solution

Problem 9

Approximate each number using a calculator. Round your answer to three decimal places. $$e^{-0.95}$$

3 step solution

Problem 10

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log \left(\frac{x}{1000}\right)$$

2 step solution

Problem 10

Write each equation in its equivalent logarithmic form. $$5^{4}=625$$

2 step solution

Problem 10

Approximate each number using a calculator. Round your answer to three decimal places. $$ e^{-0.75} $$

3 step solution

Problem 11

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{4}\left(\frac{64}{y}\right)$$

3 step solution

Problem 11

Write each equation in its equivalent logarithmic form. $$2^{-4}=\frac{1}{16}$$

3 step solution

Problem 12

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{5}\left(\frac{125}{y}\right)$$

4 step solution

Problem 12

Write each equation in its equivalent logarithmic form. $$5^{-3}=\frac{1}{125}$$

3 step solution

Problem 13

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$3^{1-x}=\frac{1}{27}$$

3 step solution

Problem 13

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\ln \left(\frac{e^{2}}{5}\right)$$

3 step solution

Problem 13

Write each equation in its equivalent logarithmic form. $$\sqrt[3]{8}=2$$

3 step solution

Problem 14

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$5^{2-x}=\frac{1}{125}$$

2 step solution

Problem 14

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\ln \left(\frac{e^{4}}{8}\right)$$

5 step solution

Problem 15

Solve each exponential equation by expressing each side as a power of the same base and then equating exponents. $$6^{\frac{x-3}{4}}=\sqrt{6}$$

5 step solution

Problem 15

Use properties of logarithms to expand each logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator. $$\log _{b} x^{3}$$

3 step solution

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