Logs

-You can use logs to write exponents.  Written as log: logbx=a Written as exponent= b^a=x -When solving a log, you write it as an exponent Example 1: log3 5= 56 3^56=5 Example 2: log2 3=6 2^6=3 Example 3: log7 9=12 7^12=9 -If the base is written for log, its 10.  -The base of ln is always e -The log cancels, if the base and other number are the same.  Example 4: log3 3^2 log3 3^2=2