2. During the mathematics class, Mr. Laluz asks his students what are the 2-digit numbers can be made from the numbers 1,2,3,4 a. List all possible numbers. Use any of the following: Tree Diagram, Table or Systematic listing.
b. How many possible 2-digit numbers can be made from the numbers 1,2,3,4?
c. How many possible outcomes when repitition is not allowed?