please solve exercises 2

. 2. Consider the FOLLOWING Sets s i 40,1,2,3,4,5$ =: . OF , - , - - .): {-- = . lie, AW is the of all set WORDS OF LENGTH K S4CH That QLL Six Oi@its {0,1,2, -5% SHOW UP at least OCe. 16 What is the cappinality OF Aw, ie, OE eleewTS, Hint: 1. 1 w, =o i k6 is a bit tricky, something to Do w (I-E) . F quite compacto ... /7 . 2. Consider the FOLLOWING Sets s i 40,1,2,3,4,5$ =: . OF , - , - - .): {-- = . lie, AW is the of all set WORDS OF LENGTH K S4CH That QLL Six Oi@its {0,1,2, -5% SHOW UP at least OCe. 16 What is the cappinality OF Aw, ie, OE eleewTS, Hint: 1. 1 w, =o i k6 is a bit tricky, something to Do w (I-E) . F quite compacto ... /7