Evaluate \(\frac{81.81+99.44}{20.09+36.16}\) correct to 3 significant figures.
\(\frac{81.81 + 99.44}{20.09 + 36.16}\\
=\frac{181.25}{56.25}\\
=\frac{18125}{5625}\\
\frac{29}{9}\\
=3\frac{2}{9}\\
≅ 3.22\)
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