A multiple choice test consists of 4 questions, and each question has 5 answer choices. In how many R ways can the test be completed if every question is unanswered?
Choose one.
A) 24	B) 120	C) 625	D) 720	E) 1024
5 choices for each of the 4 questions, thus total R 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 R ways can the test be completed if every question is unanswered?