Question

A test has ve multiple-choice questions. each question has 4 answer choices, of which 1 is correct answer and the other 3 are incorrect. suppose that you guess all the answers.
a.how many ways are there to answer the 5 questions

Answer 1

Each of the 5 questions can be answered 4 ways. That is, there are 4×4×4×4×4 possible answer patterns.

There are 4^5 = 1024 possible ways to answer.