Posted by ginger on Friday, February 4, 2011 at 10:13am.
the question is: If you know that 4 of the 10 items on a truefalse test are false, how many different ways could you select 4 items to mark as being false?
I think the answer is 10P4=10*9*8*7/4*3*2*1=5040/24=210 ways

math  drwls, Friday, February 4, 2011 at 11:08am
That is correct