Question
Suppose a car door lock has a five-button keypad. Each of the buttons includes two digits.
How many different five-button patters are possible??
(Hint: Each button can be used more than once.)
How many different five-button patters are possible??
(Hint: Each button can be used more than once.)
Answers
drwls
2 to the fifth power.
Lola
why is that?