Challenging Homework-can you make this page?

This is my 1st web page with some jokes math and science.

What is (5)(2)3 = ? The answer is: (5)(8) = 390,625    Clearly 390,625 > 25.

The chemical formula for alcohol in wine (ethanol) is:

C2H5OH

If carbon atoms are isotope 13, the formula will be written as follows:

13C2H5OH

Corian® is a trademark of DuPont company.

The average temperature in summer is 80°±7°, while it is sunny only ¼ of the days.