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14 September, 00:29

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

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  1. 14 September, 00:54
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    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.
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