Question

permutation: b) multiple choice test has 10 questions, each question has 4 choices.. how many ways can the test be answered?
c) how many 4 digit numbers greater than 1000 can be formed with no repetition in digits?
i have the answers but can't get the right method down.. no graphic organizers/ trees please

Answer 1

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Answer 2

I am not "reporting" you, I just want you to understand it for yourself :)

Answer 3

Please at least "try" and learn.

Answer 4

Openstudy is my last resort. This means I've tried the question myself many times. I did not like your approach to answering them. I know there's a simpler, less convoluted method to solve. I want to see if someone else has a way. I also have the answer key so NO, I don't expect just answers here.

Answer 5

Thank you for responding :)

Answer 6

Would you please share with me the working out of the question with one of your methods?