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[(0.04)*2]^-^5/(0.04)^-^4

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[(0.04)*2]^-^5/(0.04)^-^4 [#permalink] New post 29 Aug 2018, 06:59
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Question Stats:

88% (01:13) correct 11% (00:37) wrong based on 18 sessions
What is the value of this expression?\(\frac{[(0.04)*2]^-^5}{(0.04)^-^4}\)Give your answer in fraction.

src:orbit test prep

[Reveal] Spoiler:
\(\frac{25}{32}\)
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Re: [(0.04)*2]^-^5/(0.04)^-^4 [#permalink] New post 03 Sep 2018, 12:53
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\(\frac{[(0.04)*2]^-^5}{(0.04)^-^4}=\frac{(0.04)^-^5*2^-^5}{(0.04)^-^4}=2^-^5*(0.04)^-^1=\frac{1}{2^5}*\frac{1}{0.04}=\frac{1}{2^5}*\frac{50}{2}=\frac{50}{64}=\frac{25}{32}\)

You can keep 50/64 in GRE.
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Yuan Liu, Creator of Gregory. Dartmouth Grad.

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Last edited by Yuan on 04 Sep 2018, 07:35, edited 1 time in total.
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Re: [(0.04)*2]^-^5/(0.04)^-^4 [#permalink] New post 04 Sep 2018, 07:31
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0.04^-1 * 2^-5 = 25/32
Re: [(0.04)*2]^-^5/(0.04)^-^4   [#permalink] 04 Sep 2018, 07:31
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[(0.04)*2]^-^5/(0.04)^-^4

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