SOLUTION: How many ways can a 7 question true/false quiz be answered if questions cannot be left blank?

Algebra ->  Probability-and-statistics -> SOLUTION: How many ways can a 7 question true/false quiz be answered if questions cannot be left blank?      Log On


   

Question 913072: How many ways can a 7 question true/false quiz be answered if questions cannot be left blank?
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
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.


Let me know if you need more help or if you need me to explain a step in more detail.
Feel free to email me at jim_thompson5910@hotmail.com
or you can visit my website here: http://www.freewebs.com/jimthompson5910/home.html

Thanks,

Jim