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(0.08)(3.3)/[(0.015)(0.02)^2] =

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New post 13 Aug 2014, 16:35
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

77% (01:19) correct 23% (01:37) wrong based on 242 sessions

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\(\frac{(0.08)(3.3)}{(0.015)(0.02)^2} =\)
(A) 440
(B) 6,600
(C) 13,200
(D) 44,000
(E) 132,000


For a collection practice questions with fractions & decimals, and for the OE of this question, see:
http://magoosh.com/gmat/2014/gmat-pract ... -decimals/

Mike :-)
[Reveal] Spoiler: OA

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Re: (0.08)(3.3)/[(0.015)(0.02)^2] = [#permalink]

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New post 13 Aug 2014, 19:44
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Getting rid of decimals

\(\frac{(0.08)(3.3)}{(0.015)(0.02)^2} = \frac{8 * 33}{100*10} * \frac{1000*100*100}{15*2*2}\)

= 44000

Answer = D
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Re: (0.08)(3.3)/[(0.015)(0.02)^2] = [#permalink]

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New post 23 Aug 2014, 23:31
(0.08)(3.3)/[(0.015)(0.02)^2]

We just need to remove decimal from these and all will be clear.
Answer will be D .
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Re: (0.08)(3.3)/[(0.015)(0.02)^2] = [#permalink]

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Re: (0.08)(3.3)/[(0.015)(0.02)^2] = [#permalink]

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New post 15 Nov 2015, 11:01
I don't know if it's a good method or not, but I transformed everything into fractions
8/100 * 33/10 = 264/1000
and 15/1000 * 4/10000 = 60/10000000
now divide:
264 * 10000000 / 60 * 1000
simplify 264 with 6 and get 44, remove 4 zeroe's from the top and get 44,000.

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This method seems to worked for me. Initially tried to simply and that didn't work. How do I determine when is a good or bad time to simply?

(8*10^-2)(33*10^-1)/(15*10^-3)(4*10^-4)
multiply:
264*10^-3/60^*10^-7
4.4*10^4 = 44,000

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New post 04 Aug 2017, 19:26
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\(\frac{(0.08)(3.3)}{(0.015)(0.02)^2} = \frac{(8)(33)*10^{-3}}{(15)(4)*10^{-7}} = \frac{(66)}{(15)*10^{-4}} =\frac{4.4}{10^{-4}} = 44,000\)(Option D)
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Re: (0.08)(3.3)/[(0.015)(0.02)^2] = [#permalink]

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New post 04 Aug 2017, 23:16
mikemcgarry wrote:
\(\frac{(0.08)(3.3)}{(0.015)(0.02)^2} =\)
(A) 440
(B) 6,600
(C) 13,200
(D) 44,000
(E) 132,000


For a collection practice questions with fractions & decimals, and for the OE of this question, see:
http://magoosh.com/gmat/2014/gmat-pract ... -decimals/

Mike :-)

\(\frac{(0.08)(3.3)}{(0.015)(0.02)^2}\)
=\(\frac{(8)(330)}{(0.015)(2)(2)}\)
=\(\frac{(2)(330)(1000)}{(15)}\)
=\((2)(22)(1000)\)
= 44000

Answer D
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Re: (0.08)(3.3)/[(0.015)(0.02)^2] =   [#permalink] 04 Aug 2017, 23:16
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