Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Faman39

  • 2 years ago

The world population in the year 2011 was approximately 7 x 10^9 people. If the population doubles in 100 years, how many people will be on the earth in the year 2111? Write your answer in scientific notation.

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

    Any ideas?

  2. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Seriously not at all :(

  3. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Do you know what the word "double" means?

  4. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    It could be 10 times 10, isnt it?

  5. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    No, it means " 2 times "

  6. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i thought, i will have to make 10 exponent 10 ? so it is not 7 * 10 ^10

  7. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    No.

  8. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    So

  9. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    what is it and how?

  10. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    "If the population doubles in 100 years," means whatever the population is now; it will be 2 times that in 100 years from now.

  11. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    200

  12. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    ?

  13. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    Not 2 times 100 years, but 2 times the population.

  14. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1358429505360:dw|

  15. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I got 140 after multiply

  16. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    How did you get 140? Is that your complete answer?

  17. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    it is not my final answer

  18. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i have to write this in scientific notation

  19. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    right?

  20. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    That is what the question asks: " Write your answer in scientific notation." right?

  21. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    1.4 * 10 ^10, isnt it?

  22. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    No

  23. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    tell me if i did something wrong with it

  24. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    You are correct.

  25. Faman39
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Thank you so much, it is just because of you. Thanks alot @skullpatrol ! :)

  26. skullpatrol
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 1

    np

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

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.