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The population of a city doubles every twenty-five years. If the.....

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The population of a city doubles every twenty-five years. If the.....  [#permalink]

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New post 04 Dec 2019, 02:02
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The population of a city doubles every twenty-five years. If the population was \(10^5\) in 1826, what was it a century later in 1926?

A) \(2(10^5)\)
B) \(4(10^5)\)
C) \((2^4)(10^5)\)
D) \((10^4)(10^5)\)
E) \(8(10^5)\)

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Re: The population of a city doubles every twenty-five years. If the.....  [#permalink]

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New post 04 Dec 2019, 02:08
CAMANISHPARMAR wrote:
The population of a city doubles every twenty-five years. If the population was \(10^5\) in 1826, what was it a century later in 1926?

A) \(2(10^5)\)
B) \(4(10^5)\)
C) \((2^4)(10^5)\)
D) \((10^4)(10^5)\)
E) \(8(10^5)\)


explanation:
for 4 times population will double.
Simply multiply by 2^4
=10^5 X 2^4

IMO-C

:please Please give kudos, If you find my explanation Good Enough :please
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Re: The population of a city doubles every twenty-five years. If the.....   [#permalink] 04 Dec 2019, 02:08
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