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: 45

Answer

a.) 0.3010 b.) 1.5465 c.) -0.1761

Work Step by Step

$Use$ $a$ $calculator$ $to$ $evaluate$ $the$ $expression,$ $correct$ $to$ $four$ $decimal$ $places:$ a.)$\log 2$ b.)$\log 35.2$ c.)$\log \frac{2}{3}$ a.)$\log 2$ Plug into calculator $$\log 2 = 0.3010299956639812$$ Round to 4 decimal places $$\log 2 \approx 0.3010$$ b.)$\log 35.2$ Plug into calculator $$\log 35.2 = 1.546542663478131$$ Round to 4 decimal places $$\log 35.2 \approx 1.5465$$ c.)$\log \frac{2}{3}$ Plug into calculator $$\log \frac{2}{3} = -0.1760912590556813$$ Round to 4 decimal places $$\log \frac{2}{3} \approx -0.1761
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