document.write( "Question 578493: An exam consits of four true/false questions followed by five multiple choice questions each with 3 answers.\r
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document.write( " A) How many ways can a student answer the exam if they answer all of the questions?
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document.write( "B) How many ways can a student answer the exam if they can leave true/false questions blank?\r
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document.write( " C) How many ways can a student answer the exam if they can leave any of the questions blanks?
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Algebra.Com's Answer #370653 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! An exam consits of four true/false questions followed by five multiple choice questions each with 3 answers. \n" ); document.write( "---------------------------------------- \n" ); document.write( "A) How many ways can a student answer the exam if they answer all of the questions? \n" ); document.write( "4 true/false in 2^4 = 16 ways \n" ); document.write( "5 multiple choice in 3^5 = 243 \n" ); document.write( "Total: 16*243 = 3888 \n" ); document.write( "---------------------------------- \n" ); document.write( "B) How many ways can a student answer the exam if they can leave true/false questions blank? \n" ); document.write( "4 true/false in 3^4 = 81 \n" ); document.write( "Total: 81*243 = 19683 \n" ); document.write( "-------------------------------------------- \n" ); document.write( "C) How many ways can a student answer the exam if they can leave any of the questions blanks? \n" ); document.write( "Ans: 3^4*4^5 \n" ); document.write( "==================== \n" ); document.write( "cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |