please fast and clear In how many ways can a 20 question true and false exam...

Question

Question

In how many ways can a 20 question true and false exam be answered? Select one: 2012! 220 40 20! O 400 please fast and clear

Answer 1

Answer #1

Answers from the given data, Number of choices =2 LTRUE OR FALSE) Total number of question = 20 : the number of ways = 2*2*.

Answer 2

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