The diagram not being shown might be the reason that you are struggling with this problem... You're welcome.
I could use a smarter force to check my work. :D
Do you know what they are talking about when they say "P" "Q" and "R?"
Ok then... Good job!
Other one is 6√14
10√(4x^3y^2)^3
This sounds right to me but CPhill probably has a better answer.
Hmm... No clue :(
I've definitely heard of it. I'm gonna go check it out!
I'll check that out later, in the mean time do you possibly have a stock exchange game or anything similar to stocks or money management?