Tag: Multiplication Principle

A small combination lock on a suitcase has 7 wheels, each labeled with the digits 0 to 9. How many 7 digit combinations are possible of no digit is repeated?…

  Solving using the multiplication principle. -6x >   Solution   -6 > Divide both sides by -6 X < So the solution set is {x│x < }  

  Multiplication Principle Suppose n choices must be made, with m1 ways to make choice 1, and for each of these ways, m2 ways to make choice 2, and so…