SOLUTION: A history teacher gives a 25 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 616789: A history teacher gives a 25 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?
thank you for your help Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 3 possible responses on 25 questions:
# of possible total answer patterns: 3^25 = 8.4729x10^11
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Cheers,
Stan H.
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