Question

9. In how many ways can a 5-question True/False quiz be answered if

it is okay to leave questions unanswered?
Answer:

Answer 1

243 is the answer

Answer 2

243

Explanation:

Each of the 5 questions can be answered 3 ways: t/f/(blank). So, the 5 questions can be answered 3·3·3·3·3 = 3^5 = 243 ways.