1) You're in college level, and you don't know this? Hmmm. Quite sad.
2) I'll give you the answer regardless.
3 - Ten thousands' place
4 - Thousands' place
5 - Hundreds' place
2 - Tens' place
5 - Ones' place
Thus the answer is 3 - Ten thousands' place (10,000 x 3 = 30,000; So the value is of 30,000)