201*203*205*...*399

and since we only need the last two digits

(1*3*5*...*99)*(1*3*5*...*99)

In each of the parentheses, since there is a factor of 5 and all odd numbers, the last digit will be 5.  Also since there is a factor of 25, the last two digits will be either 25 or 75.

ach of the parentheses are the same so it does matter which:  25^2 and 75^2 both end in 25. 

The tens digit is 2.