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Faman39 Group Title

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.

  • one year ago
  • one year ago

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  1. skullpatrol Group Title
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    Any ideas?

    • one year ago
  2. Faman39 Group Title
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    Seriously not at all :(

    • one year ago
  3. skullpatrol Group Title
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    Do you know what the word "double" means?

    • one year ago
  4. Faman39 Group Title
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    It could be 10 times 10, isnt it?

    • one year ago
  5. skullpatrol Group Title
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    No, it means " 2 times "

    • one year ago
  6. Faman39 Group Title
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    i thought, i will have to make 10 exponent 10 ? so it is not 7 * 10 ^10

    • one year ago
  7. skullpatrol Group Title
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    No.

    • one year ago
  8. Faman39 Group Title
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    So

    • one year ago
  9. Faman39 Group Title
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    what is it and how?

    • one year ago
  10. skullpatrol Group Title
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    "If the population doubles in 100 years," means whatever the population is now; it will be 2 times that in 100 years from now.

    • one year ago
  11. Faman39 Group Title
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    200

    • one year ago
  12. Faman39 Group Title
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    ?

    • one year ago
  13. skullpatrol Group Title
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    Not 2 times 100 years, but 2 times the population.

    • one year ago
  14. skullpatrol Group Title
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    |dw:1358429505360:dw|

    • one year ago
  15. Faman39 Group Title
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    I got 140 after multiply

    • one year ago
  16. skullpatrol Group Title
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    How did you get 140? Is that your complete answer?

    • one year ago
  17. Faman39 Group Title
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    it is not my final answer

    • one year ago
  18. Faman39 Group Title
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    i have to write this in scientific notation

    • one year ago
  19. Faman39 Group Title
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    right?

    • one year ago
  20. skullpatrol Group Title
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    That is what the question asks: " Write your answer in scientific notation." right?

    • one year ago
  21. Faman39 Group Title
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    1.4 * 10 ^10, isnt it?

    • one year ago
  22. Faman39 Group Title
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    No

    • one year ago
  23. Faman39 Group Title
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    tell me if i did something wrong with it

    • one year ago
  24. skullpatrol Group Title
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    You are correct.

    • one year ago
  25. Faman39 Group Title
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    Thank you so much, it is just because of you. Thanks alot @skullpatrol ! :)

    • one year ago
  26. skullpatrol Group Title
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    np

    • one year ago
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