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Mathematics 70 Online
OpenStudy (anonymous):

Assume the test had 6 true-false questions and 10 multiple-choice questions, and that each multiple-choice question had 5 choices. How many different answer sheets can be submitted?

OpenStudy (kropot72):

The number of ways of answering the 6 true-false questions is 2^6. The number of ways of answering the 10 multiple-choice questions is 5^10. Each way of answering the true-false questions can be combined with each of the 5^10 ways of answering the multiple-choice questions. Therefore the number of different answer sheets that can be submitted is \[2^{6}\times 5^{10}\]

OpenStudy (anonymous):

Thank you!

OpenStudy (kropot72):

You're welcome :)

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