SOLUTION: 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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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? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 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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3 choices on each of 28 questions.
Ans: 3^28 = 2.2877..x 10^13 ways
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Cheers,
Stan H.
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