Chapter 4 - Section 4.3 - Logarithmic Functions - 4.3 Exercises: 47

a.) 1.6094 b.) 3.2308 c.) 1.0051

Work Step by Step

$Use$ $a$ $calculator$ $to$ $evaluate$ $the$ $expression,$ $correct$ $to$ $four$ $decimal$ $places:$ a.)$\ln 5$ b.)$\ln 25.3$ c.)$\ln (1+\sqrt3)$ a.)$\ln5$ Plug into calculator $$\ln5 = 1.60943791243$$ Round to 4 decimal places $$\ln5 \approx 1.6094$$ b.)$\ln25.3$ Plug into calculator $$\ln25.3 = 3.23080439573$$ Round to 4 decimal places $$\ln25.3 \approx 3.2308$$ c.)$\ln (1+\sqrt3)$ Plug into calculator $$\ln (1+\sqrt3) = 1.00505253874$$ Round to 4 decimal places $$\ln (1+\sqrt3) \approx 1.0051$$

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