Evaluate 81.81+99.4420.09+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.