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A history teacher gives a 20 question T-F exam. In how many different ways can the test be answered if the possible answers are...Asked by jacque
A history teacher gives a 22 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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luisa
the exam had 60 questions phelix got85% correct how many did he answer correctly
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