Help please!!!! This is a pretty convoluted question -- for me! !!

I don't know if this problem belongs in the probability/arithmetic forum, but it sounds like one, so, please, help.

*How many distinguishable arrangements can be made from the letters "TOOTSIEPOPS"?

e.guerrero32 said:

*How many distinguishable arrangements can be made from the letters "TOOTSIEPOPS"?

Click to expand...

What was the formula they gave you for this? (It should have looked something like what they explain here.)

How far have you gotten in applying that formula? Where are you stuck? Please be complete. Thank you!