Evaluate \(\frac{81.81+99.44}{20.09+36.16}\) correct to 3 significant figures.
A
6.24
B
3.22
C
2.78
D
2.13
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
\(\frac{81.81 + 99.44}{20.09 + 36.16}\\
=\frac{181.25}{56.25}\\
=\frac{18125}{5625}\\
\frac{29}{9}\\
=3\frac{2}{9}\\
≅ 3.22\)
Source: Myschool Past Questions Archive (Record #9306)