document.write( "Question 616071: A history teacher gives a 28 question T-F exam. In how many different ways can the test be answered if the possible answers are T or F, or possibly to leave the answer blank? \n" ); document.write( "
Algebra.Com's Answer #387497 by stanbon(75887)\"\" \"About 
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A history teacher gives a 28 question T-F exam. In how many different ways can the test be answered if the possible answers are T or F, or possibly to leave the answer blank?
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\n" ); document.write( "3 choices on each of 28 questions.
\n" ); document.write( "Ans: 3^28 = 2.2877..x 10^13 ways
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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