Math
posted by Carter .
Kevin has a rabbit, a ferret, a gerbil and a turtle. He feeds them in a different order each day. In how many different orders can Kevin feed his pets?

6 ways

He has four animals.\
the first day he has four choices
the second day he has three choices
the third day he has two choices
the last day..
numberways: 4*3*2*!=24 ways 
?? huh