SOLUTION: A history teacher gives a 18 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 483674: A history teacher gives a 18 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 Alan3354(69443) (Show Source): You can put this solution on YOUR website!
3 choices per question --> 3^18
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