A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

ok is this permutation or combination and how many possible outcomes r there. writing a four digit # usingthe #s 0-9 with no repeats

  • This Question is Closed
  1. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    permutation= order matters...and combination=order does matter. If you are writing a 4 digit number, order does matter because what goes in the first place will effect the second number, and the first and second will affect the 3rd..and so on. since there are no repeats therefore it is a permutation

  2. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    but whats the answer

  3. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you multiply the number of choices you have for each digit together

  4. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    for example first digit 10 choices second digit 9 choices (since no repeats)

  5. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    so it would be 9 times 8 times 7 times 6

  6. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    well the first digit has 10 choices since there are 10 numbers from 0 to 9... so its 10 times 9 times 8 times 7

  7. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    the answer in the back of the book says the answer is 35 how is that possible

  8. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    how is that possible

  9. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    hm....let me think about that

  10. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    is that the whole question? or is there some missing information?

  11. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    thats it

  12. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ayms its fine i will figure it out later i have 2 periods to figure it out tomorrow

  13. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i dont think it's 35. I'm pretty sure its 5040

  14. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    actually it is not 10*9*8*7, the first digit may not be a 0 as that would be a 3 digit number, it is 9*9*8*7=4536

  15. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.