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
Correct Answer: Option B
Explanation
(frac{81.81 + 99.44}{20.09 + 36.16}\
=frac{181.25}{56.25}\
=frac{18125}{5625}\
frac{29}{9}\
=3frac{2}{9}\
≅ 3.22)