document.write( "Question 913072: How many ways can a 7 question true/false quiz be answered if questions cannot be left blank? \n" ); document.write( "
Algebra.Com's Answer #554279 by jim_thompson5910(35256)\"\" \"About 
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There are 2 choices per problem, and 7 problems, so 2*2*2*2*2*2*2 = 2^7 = 128 ways to answer this quiz.\r
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