Using the properties of logarithms to help you expand a logarithmic expression

The video tutorial explains logarithms, focusing on base notation and simplification of expressions. It covers the product rule and emphasizes the importance of using brackets in expressions. The tutorial concludes with a final expression, demonstrating the application of these concepts.

What does the teacher mean by 'log base 2:50 minus log base 10 of XY to the four'?

Describe the process of simplifying the expression mentioned in the text.