1) Daleb is planning on buying a new truck. He is considering four different models, each of which is available in six colors and with either an automatic or manual transmission. In how many ways can Caleb select his truck?

2)The local community Chess Club needs to select three members for a new Board of Officers. The club has 20 members who are eligible to serve as officers. The Board of Officers consists of the President, the Vice President, and the Executive Secretary. How many possible ways can the club select the 3 positions from the 20 eligible members?

3) A department store window designer has 20 new outfits available to dress 5 mannequins for a window display. How many different ways can he dress the mannequins?