Evaluate:

1)

2)

Can someone please help me with these log equations! Please show me what to doIN DETAIL(STEP BY STEP)! I really don't get what to do. I know you're suppose to do error and trial for the first equation, but how do I do this? And I don't know how to use the calculator "log" function when the base is not 10!

Answers:

1)

2)

P.S.

Are the following the correct way of writing an inverse of ?

Exponential:

Logarithmic: