Question

A multiple-choice test contains 10 questions. there are four possible answers for each question. (a) in how many ways can a student answer the questions on the test if the student answer every question? (b) in how many ways can a student answer the questions on the test if the student can leave answers blank?

Answer 1

a). 4^10 = 1,048,576 ways

b). 5^10 = 9,765,625 ways