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teller

  • one year ago

Can someone please help me on this ? A city has a population of 350,000 people. Suppose that each year the population grows by 5.5%. What will the population be after 10 years?Use the calculator provided and round your answer to the nearest whole number.

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  1. teller
    • one year ago
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    How do I round it off ? would it just be 350?

  2. teller
    • one year ago
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    I'm confused..

  3. anonymous
    • one year ago
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    1.1 divided by 2 = ?

  4. teller
    • one year ago
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    0.55

  5. teller
    • one year ago
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    192500?

  6. teller
    • one year ago
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    times it by 10?

  7. teller
    • one year ago
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    542500?

  8. teller
    • one year ago
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    so it would be 543?

  9. teller
    • one year ago
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    so just 542500?

  10. campbell_st
    • one year ago
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    use \[Population = 350000\times(1 + 0.055)^{10}\]

  11. teller
    • one year ago
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    it said it was wrong..

  12. campbell_st
    • one year ago
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    this is an application of exponential growth... and uses the compound interest formula as shown above

  13. anonymous
    • one year ago
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    @campbell_st will help

  14. campbell_st
    • one year ago
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    I've already posted a solution

  15. teller
    • one year ago
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    597850.56042376?

  16. teller
    • one year ago
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    That's what I got.

  17. campbell_st
    • one year ago
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    well just round it to the nearest whole number

  18. teller
    • one year ago
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    How?

  19. campbell_st
    • one year ago
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    what would you round 0.5 to 0 or 1

  20. teller
    • one year ago
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    1?

  21. campbell_st
    • one year ago
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    great so the answer ends in 1

  22. campbell_st
    • one year ago
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    so 597851

  23. teller
    • one year ago
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    Thank you

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