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# Which of the following is the decimal expression of (1/5)^4?

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Math Expert
Joined: 02 Sep 2009
Posts: 49915
Which of the following is the decimal expression of (1/5)^4?  [#permalink]

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10 Jan 2018, 05:44
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15% (low)

Question Stats:

84% (00:46) correct 16% (00:48) wrong based on 57 sessions

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Which of the following is the decimal expression of (1/5)^4?

A 0.00032
B. 0.0016
C. 0.08
D. 0.16
E. 0.2

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Re: Which of the following is the decimal expression of (1/5)^4?  [#permalink]

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10 Jan 2018, 08:28
Bunuel wrote:
Which of the following is the decimal expression of (1/5)^4?

A 0.00032
B. 0.0016
C. 0.08
D. 0.16
E. 0.2

$$\frac{1}{5} = 0.20$$

So, $$(\frac{1}{5})^4$$ = $$0.20^4$$

Or, $$(\frac{1}{5})^4$$ = $$0.0016$$

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Re: Which of the following is the decimal expression of (1/5)^4?  [#permalink]

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10 Jan 2018, 11:39
1/5 = 0.20

so the question can be expressed as 0.2^4 = 0.0016

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Re: Which of the following is the decimal expression of (1/5)^4?  [#permalink]

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16 Jan 2018, 17:40
Bunuel wrote:
Which of the following is the decimal expression of (1/5)^4?

A 0.00032
B. 0.0016
C. 0.08
D. 0.16
E. 0.2

(1/5)^4 = (0.2)^4 = 0.0016

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Re: Which of the following is the decimal expression of (1/5)^4? &nbs [#permalink] 16 Jan 2018, 17:40
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