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# The number of people surfing the Internet doubles every three months.

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VP
Status: Preparing for the GMAT
Joined: 02 Nov 2016
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The number of people surfing the Internet doubles every three months. [#permalink]

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17 Apr 2017, 10:35
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Difficulty:

15% (low)

Question Stats:

86% (01:04) correct 14% (01:35) wrong based on 35 sessions

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The number of people surfing the Internet doubles every three months. If the number of people surfing the Internet today is 10^3, how many people will be surfing the Internet in one year?

A. 4 × 10^3
B. 10^3 × 2^4
C. 10^7
D. 10^7 × 24
E. 10^11
[Reveal] Spoiler: OA

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Last edited by Bunuel on 17 Apr 2017, 20:27, edited 1 time in total.
Edited the question.
Manager
Joined: 17 May 2015
Posts: 210
Re: The number of people surfing the Internet doubles every three months. [#permalink]

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17 Apr 2017, 20:25
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The number of people surfing the Internet doubles every three months. If the number of people surfing the Internet today is 103, how many people will be surfing the Internet in one year?

A. 4 × 10^3
B. 10^3 × 2^4
C. 10^7
D. 10^7 × 24
E. 10^11

Quote:
If the number of people surfing the Internet today is 103,

103 should be $$10^{3}$$. Please modify the question.

Thanks.
Math Expert
Joined: 02 Sep 2009
Posts: 43892
Re: The number of people surfing the Internet doubles every three months. [#permalink]

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17 Apr 2017, 20:28
1
KUDOS
Expert's post
ganand wrote:
The number of people surfing the Internet doubles every three months. If the number of people surfing the Internet today is 103, how many people will be surfing the Internet in one year?

A. 4 × 10^3
B. 10^3 × 2^4
C. 10^7
D. 10^7 × 24
E. 10^11

Quote:
If the number of people surfing the Internet today is 103,

103 should be $$10^{3}$$. Please modify the question.

Thanks.

_______________
Edited. Thank you.
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VP
Joined: 22 May 2016
Posts: 1347
Re: The number of people surfing the Internet doubles every three months. [#permalink]

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18 Apr 2017, 14:12
The number of people surfing the Internet doubles every three months. If the number of people surfing the Internet today is 10^3, how many people will be surfing the Internet in one year?

A. 4 × 10^3
B. 10^3 × 2^4
C. 10^7
D. 10^7 × 24
E. 10^11

For this problem, it's probably easier to just write out the numbers:

10$$^3$$ =

Today:=1000
x 2 in 3 months = 2000
x 2 (+3 months) = 4000
x 2 (+3 months) = 8000
x 2 (+3 months) = 16,000

From answer choices: 16,000 = 16 x 1000 = 2$$^4$$ x 10$$^3$$ -- or 10$$^3$$ x 2$$^4.$$ Answer: B
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Re: The number of people surfing the Internet doubles every three months.   [#permalink] 18 Apr 2017, 14:12
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# The number of people surfing the Internet doubles every three months.

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