College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 10 - Section 10.2 - Permutations and Combinations - 10.2 Assess Your Understanding - Page 695: 44



Work Step by Step

The number of arrangements of $n$ objects in $r$ slots where each slot can be any one of those objects is $n^{r}$. Since there are only 4 choices for each question and there are 5 questions, then $4^{5} = 1024$
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