SOLUTION: In how many ways can a student answer 14 true or false questions on a test?

Question 651477: In how many ways can a student answer 14 true or false questions on a test?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

For each question, if you have to answer all of them, you can either answer it true or false; so for questions , the number of ways is

But, if you have an option to either answer it true, answer false, or leave it blank, this is ways for each of questions, so the total number of ways is .
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