Solve Counting Problems Using Combinations

question 177

Multiple Choice

Solve Counting Problems Using Combinations
-A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 6 of the multiple-choice questions and 3 of the open-ended problems, in how many ways can the questions and problems be chosen

• A) 1680
• B) 972
• C) 261,273,600
• D) 7,257,600

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