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a bookshelf holds 4 different biographies and 5 different novels. How many ways can one book of each type be selected?
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a bookshelf holds 4 different biographies and 5 different novels. How many ways can one book of each type be selected?

User Nibb
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1 Answer

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Try 4!5! = 24*120 = 2880 different ways
User Hemendra Sharma
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