A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Which expression is equivalent to 3^2 ⋅ 3^−5? fraction 1 over 3 to the power 3 fraction 1 over 3 to the power 7 fraction 1 over 3 to the power negative 3 fraction 1 over 3 to the power negative 7

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

    when multiply same bases you should add their exponents \[\huge\rm x^m \times x^n=x^{m+n}\]

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

    negative exponent \[\huge\rm x^{-m}=\frac{ 1 }{ x^m}\] *flip the fraction*

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

    any question ? did u understand ? yes or no ?

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

    yeah thanks

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

    so it will be fraction 1 over 3 to the power negative 7 @Nnesha ?

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

    hmm no first add both exponents and then flip the fraction

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

    oh so its fraction 1 over 3 to the power 7

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

    \[\huge\rm 3^2 \times 3^{-5} = 3^{??}\]

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

    i got 0.037... when i multiplied them

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

    well don't use calculator read my first comment here is an example \[\huge\rm 2^5 \times 2^{-6}= 2^{5+(-6)}\]

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

    its A

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

    how ? explain plz

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

    i don't know

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

    hmm why did you say its A ? anyways \[\huge\rm 3^2 \times 3^{-5} = 3^{2+(-5)}= 3^{??}\]

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

    when we multiply same bases we should add their exponents

  16. 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.