A multiple choice test consists of 4 questions, and each question has 5 answer choices. In how many W ways can the test be completed if every question is unanswered?	Choose the correct option.
A) 24
B) 120
C) 625
D) 720
E) 1024
5 choices for each of the 4 questions, thus total W of 5*5*5*5 = 5^4 = 625 ways to answer all of them.   Answer: 625.
<result>C</result>
A multiple choice test consists of 4 questions, and each question has 5 answer choices. In how many W ways can the test be completed if every question is unanswered?