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: 46

Answer

a.) 1.6990 b.) 0.1505 c.) 0.6276

Work Step by Step

$Use$ $a$ $calculator$ $to$ $evaluate$ $the$ $expression,$ $correct$ $to$ $four$ $decimal$ $places:$ a.)$\log 50$ b.)$\log \sqrt 2$ c.)$\log (3\sqrt2)$ a.)$\log 50$ Plug into calculator $$\log 50 = 1.6989700043360187$$ Round to 4 decimal places $$\log 50 \approx 1.6990$$ b.)$\log \sqrt 2$ Plug into calculator $$\log \sqrt 2 = 0.1505149978319906$$ Round to 4 decimal places $$\log \sqrt 2 \approx 0.1505$$ c.)$\log (3\sqrt2)$ Plug into calculator $$\log (3\sqrt2) = 0.627636252551653$$ Round to 4 decimal places $$\log (3\sqrt2) \approx 0.6276$$
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