A multiple-choice test contains 10 questions. There are four possible answers for each question. n (a) How

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A multiple-choice test contains 10 questions. There are four possible answers for each question. n

(a) How many ways can a student complete the test if every question must be answered?
(b) How many ways can a student complete the test if questions can be left unanswered?

Related Book For answer-question

Discrete and Combinatorial Mathematics An Applied Introduction

ISBN: 978-0201726343

5th edition

Authors: Ralph P. Grimaldi

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Posted Date: Jan 24, 2021 08:05 AM

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A multiple-choice test contains 10 questions. There are four possible answers for each question. n (a) How

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Discrete and Combinatorial Mathematics An Applied Introduction

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