BACK TO TEXT

3.1  Introduction to Logarithms: Worked Examples

Example 1.  Find  

SOLUTION.   10 to what power equals 100,000 :     

Since , we have  

Example 2.  Find   

SOLUTION.   10 to what power equals  :     

Since , we have  

Example 3.  Find   

SOLUTION.   10 to what power equals  :     

Since , we have  

Example 4.  Estimate  

SOLUTION.   Since , we have  

Example 5.  Estimate  

SOLUTION.   Since , we have  

                                                                                                                          BACK TO TEXT