12. Find the value of each of the following logarithms. a) log10000 c) log 500 b) log5125 d) log2360 13. The population of fish in a certain lake after fishing season begins is given in the table below: Days 1 4 8 15 30 # of Fish |100 70 60 45 32 e) Find the logarithmic regression equation that matches the data. f ) How many fish remain after 20 days? g) How long will it take the number of fish to drop below 25