Evaluate \(\frac{81.81+99.44}{20.09+36.16}\) correct to 3 significant figures.
- 6.24
-
3.22
- 2.78
- 2.13
The correct answer is: B
Explanation
\(\frac{81.81 + 99.44}{20.09 + 36.16}\\
=\frac{181.25}{56.25}\\
=\frac{18125}{5625}\\
\frac{29}{9}\\
=3\frac{2}{9}\\
≅ 3.22\)
There is an explanation video available .