Find the value of the following:

Given expression = $\sqrt{324} + \sqrt{0.0324} - \sqrt{5.29} $
$ \sqrt{324} = 18 $
$ \sqrt{0.0324} = \sqrt{\frac{324}{10000}} = \frac{18}{100} = 0.18 $
$ \sqrt{5.29} = 2.3 $
Now substitute the values
= 18 + 0.18 - 2.3
= 18.18 - 2.3
Answer = 15.88