Logarithms, SMB-014 Evaluate `log_a 15` given `log_a 3=0.378` and `log_a 5=0.591`. (2 marks) Show Answers Only `0.969` Show Worked Solution `log_a 15` `=log_a (3xx5)` `=log_a 3+log_a 5` `=0.378 + 0.591` `=0.969`