Question

I will attach the question but step by step explantion and ill llove you<3

Answer 1

clue: log base x of 10 reads the exponent on x to get 10

Answer 2

That's basically the definition of the logarithm.

Answer 3

@agent0smith well I don't understand how id be able to back track to get any of those answers so please show work?

Answer 4

The main thing is the base of the index is retained as the base of the log, and you are taking the log of the RHS, x.
(in fact your conversion from index form to log form is done by taking a logarithm with base b of both sides of the original equation)