Evaluate 81.81+99.4420.09+36.16 81.81 + 99.44 20.09 + 36.16 correct to 3 significant figures.

Answer Details

To evaluate the expression: $$\frac{81.81 + 99.44}{20.09 + 36.16}$$ We simply substitute the numbers in the formula and calculate: $$\frac{81.81 + 99.44}{20.09 + 36.16} = \frac{181.25}{56.25} \approx \boxed{3.23}$$ Therefore, the expression evaluates to approximately 3.23.