A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Spring98

  • one year ago

Which is the more reasonable measurement of the distance between the tracks on a CD: 1.6 • 10^–3 mm or 1.6 • 10^3 mm? Justify your answer.

  • This Question is Closed
  1. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @mathlover2014 can you plz help me? i will medal. :)

  2. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    the distance between them is too small to be seen so its going to be a lot less than 1 mm

  3. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    are you familiar with negative exponents?

  4. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so is it this 1.6 • 10^3

  5. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    No 10^3 = 1000 mm

  6. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    10^-3 = 1/1000 or 0.001

  7. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    1/1000right?

  8. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    No - its one of the 2 options in your questiion. The numbers I gave were only examples.

  9. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    - to help you learn the difference between positive and negative exponents.

  10. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    ya i know but the negative on will be to small so it will be 1.6 • 10^3 mm

  11. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @welshfella am i right?

  12. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    NO 1.6 * 10^3 = 1,600 mm which is the same as 1.6 meters

  13. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    check my first post

  14. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    so the answer will be 1.6 • 10^–3 mm

  15. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes

  16. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    why?

  17. welshfella
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    well have a look at a CD . Can you see the distance between the tracks/

  18. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes

  19. Spring98
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    @welshfella would it because the other one would be to big for the tracks of a CD?

  20. 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.