What method is done by constructing line segments to connect all the possible combinations of the outcome of an experiment?

Which of the following states that we can find the total number of outcomes by multiplying the number of ways each event can happen? 

Which method is done where the corresponding rows and columns represent the possible outcomes in each experiment? 

Which method is done by enumerating the possible outcomes?

How many possible outcomes are there if you have 3 shirts and 5 pairs of pants?

How many possible outcomes are there for 5 flavors of ice cream (mango, ube, chocolate, vanilla, and macapuno) and 2 different cones (plain and sugar)?

In buying a new bicycle, there are 4 colors available, 2 types of bicycle, and 3 models to choose from. How many possible outcomes are there? 

Amy can take any of the two routes from school to the playground, and can take three routes from the playground to her house. How many possible ways are there?

Rico goes to the pizza store. He can choose either a small or large size pizza. He can also choose any among five different toppings, and either of two different crust. How many choices does he have? 

Isabel must choose a 4-digit pin code for her ATM cad. She can choose any digit from 0 to 9. How many possible pin codes can she choose?