Logarithms, SMB-009 What is the solution to the equation `log_3(a-1) = -2`? (2 marks) Show Answers Only `a=10/9` Show Worked Solution `log_3 (a-1)` `= -2` `a-1` `= 3^{-2}` `a` `=1/3^2+1` `= 10/9`