3. (6 points) If U={a,b,c,d,e,f,g,h,i,j},L={b,c,e,g,h,j},M={c,f,h,i,j}, and N={c,d,e,f,g,h}, what is the result of the evaluation of each of the following set expressions? (Recall: U is the universe.) (a) MN (b) (LM)(LN)(MN) (c) U(LMN) 2. (4 points) For each of the following decimal representations, determine the reduced fraction that represents the same value. (We didn't demonstrate how to do this in class, but Section A.2 in "Kneel Before Zodd" does.) (a) 0.68 (b) 4.752