Question
There is a test with 10 questions. Each question has a choice of three answers, but only one answer is correct. How many ways are there to fill out the test?
By the way, we are learning combinations and permutations
By the way, we are learning combinations and permutations
Answers
Steve
3 choices for each of 10 questions is clearly 3^10
Naturally, there is only 1 way of getting all the answers right.
If, however, you want to know the order of questions to answer, then there are 10! ways to select the questions.
Rather a poorly worded question.
Naturally, there is only 1 way of getting all the answers right.
If, however, you want to know the order of questions to answer, then there are 10! ways to select the questions.
Rather a poorly worded question.