Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 4 - Section 4.3 - Logarithmic Functions - 4.3 Exercises: 48

Answer

a.) 3.2958 b.) 2.0001 c.) 4.0000

Work Step by Step

$Use$ $a$ $calculator$ $to$ $evaluate$ $the$ $expression,$ $correct$ $to$ $four$ $decimal$ $places:$ a.)$\ln27$ b.)$\ln 7.39$ c.)$\ln 54.6$ a.)$\ln27$ Plug into calculator $$\ln27 = 3.295836866$$ Round to 4 decimal places $$\ln27 \approx 3.2958$$ b.)$\ln7.39$ Plug into calculator $$\ln7.39 = 2.00012773496$$ Round to 4 decimal places $$\ln7.39 \approx 2.0001$$ c.)$\ln 54.6$ Plug into calculator $$\ln54.6 = 4.00003388275$$ Round to 4 decimal places $$\ln54.6 \approx 4.0000$$
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