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Which is the smallest?

Answer and explanation

Correct answer: \(\sqrt{3}\)

\(\sqrt{3}\approx 1.732\), whereas \(\frac{9}{5}=1.8\), \(2=2\), and \(\sqrt{5}\approx 2.236\). Hence, \(\sqrt{3}\) is the smallest. \(\frac{9}{5}\) is the closest distractor, but it is greater because it equals \(1.8\). Exam tip: compare square roots using nearby perfect squares or decimal approximations.

Related tags

Real NumbersIrrational NumbersComparing NumbersSquare RootsNumber SystemsMathematicsClass 9 Mcq

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