10-11-2015, 11:27 AM
In that example it is multiplicative. Doesn't matter if it's multiplied inside parenthesis or outside as long as it's never added. For example 3*3*3 is the same as 3*(3*3) but 3*(3+3) and 3+(3*3) are different. If it was included in the event rate additions then it would not be multiplicative.