Question 976610
If a multiple-choice test consists of 5 questions each with 4 possible answers of which only 1 is correct, 
(a) In how many different ways can a student check off one answer to each question?
Ans: 4^5
---------------- 
(b) In how many different ways can a student check off one answer to each question and get all the answers wrong?
Ans: 3^5
================
Cheers,
Stan H.
-----------