Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Appendix A - A.4 - Quadratic Equations - Exercises - Page 560: 9a

Answer

$\sqrt {54} = 3\sqrt {6}$

Work Step by Step

$= \sqrt {54}$ by GDC / calculator $= 7.34846...$ $\approx 7.35$ $= 3\sqrt 6$ by GDC / calculator $= 7.34846...$ $\approx 7. 35$ Therefore, $\sqrt {54} = 3\sqrt {6}$
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