Express Single Logarithms Worksheet

                     Lesson 1

Problem:    Express as a single logarithm log 31  -  log 15  

Solution     In log table the value of log 31  =  1.5

                                                            Step 1:                         

Solution     In log table the value of log 15 = 1.2

Step 2:         

Solution     log 31  +  log 15    =   1.5 – 1.2                             

Step 3:  

                                                            Solution     Answer: 0.3                      

Step 4:  

Complete    

                                                            Try two practice problems:  

A.  Log 15 + log 13 – log 11

B.  Log 13 – log 20 + log 30

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