write in logarithm form

Question

⁴ √ 81 =3

Answer 1

Recall that Log (100) is 2. Because 10² is 100. But that is assuming the base is 10. 

 

So think about this... 

 

The log base log is 3. 3⁴ is what? This is written as log (x) base 3 is 4. Find x and you are done.