Question 997247
40 * log(3) is not between 1/4 and 1/3.


40 * log(3) is equal to 19.08485019


something wrong with your problem statement as the expression is not between 1/4 and 1/3.


why can't have negative base of logs.


the following explains it very well.


<a href = "http://www.onemathematicalcat.org/Math/Algebra_II_obj/prop_logs.htm" target = "_blank">http://www.onemathematicalcat.org/Math/Algebra_II_obj/prop_logs.htm</a>