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