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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OpenStudy (teller):
How do I round it off ? would it just be 350?
OpenStudy (teller):
I'm confused..
OpenStudy (anonymous):
1.1 divided by 2 = ?
OpenStudy (teller):
0.55
OpenStudy (teller):
192500?
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OpenStudy (teller):
times it by 10?
OpenStudy (teller):
542500?
OpenStudy (teller):
so it would be 543?
OpenStudy (teller):
so just 542500?
OpenStudy (campbell_st):
use \[Population = 350000\times(1 + 0.055)^{10}\]
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OpenStudy (teller):
it said it was wrong..
OpenStudy (campbell_st):
this is an application of exponential growth... and uses the compound interest formula as shown above
OpenStudy (anonymous):
@campbell_st will help
OpenStudy (campbell_st):
I've already posted a solution
OpenStudy (teller):
597850.56042376?
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OpenStudy (teller):
That's what I got.
OpenStudy (campbell_st):
well just round it to the nearest whole number
OpenStudy (teller):
How?
OpenStudy (campbell_st):
what would you round 0.5 to 0 or 1
OpenStudy (teller):
1?
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