AI Tutor
Back to 13.5 Counting Principles

13.5 Exercise 33

Avg difficulty 2.5

Determine whether to use the Addition Principle or the Multiplication Principle. Then perform the calculations.

Let the set B={−23,−16,−7,−2,20,36,48,72}. B = \left\{- 23 , - 16 , - 7 , - 2 , 20 , 36 , 48 , 72\right\} . How many ways are there to choose a positive or an odd number from A? A ?

OpenStax Algebra and Trigonometry 2e, 13.5 Counting Principles, exercise 33

AI Tutor

Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.