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# (0.02)^4/(0.002)^2 = ?

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Concentration: Economics, Finance
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(0.02)^4/(0.002)^2 = ?  [#permalink]

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Updated on: 05 Sep 2015, 02:30
1
00:00

Difficulty:

15% (low)

Question Stats:

74% (01:17) correct 26% (01:07) wrong based on 111 sessions

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$$\frac{(0.02)^4}{(0.002)^2}$$=?

A. 0.01
B. 0.02
C. 0.04
D. 0.2
E. 0.4

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Originally posted by reto on 05 Sep 2015, 00:30.
Last edited by Bunuel on 05 Sep 2015, 02:30, edited 1 time in total.
RENAMED THE TOPIC.
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Re: (0.02)^4/(0.002)^2 = ?  [#permalink]

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05 Sep 2015, 02:37
reto wrote:
$$\frac{(0.02)^4}{(0.002)^2}$$=?

A. 0.01
B. 0.02
C. 0.04
D. 0.2
E. 0.4

$$\frac{(0.02)^4}{(0.002)^2}=(\frac{2}{10^2})^4*(\frac{10^3}{2})^2=\frac{2^4}{10^8}*\frac{10^6}{2^2}=\frac{2^2}{10^2}=0.04$$.

Answer: C.
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Re: (0.02)^4/(0.002)^2 = ?  [#permalink]

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05 Sep 2015, 02:56
reto wrote:
$$\frac{(0.02)^4}{(0.002)^2}$$=?

A. 0.01
B. 0.02
C. 0.04
D. 0.2
E. 0.4

Fraction=(2/100*2/100*2/100*2/100)/2/1000*2/1000
=4/100=0.04
Answer C
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Joined: 29 Jul 2015
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Re: (0.02)^4/(0.002)^2 = ?  [#permalink]

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05 Sep 2015, 09:41
reto wrote:
$$\frac{(0.02)^4}{(0.002)^2}$$=?

A. 0.01
B. 0.02
C. 0.04
D. 0.2
E. 0.4

$$\frac{(0.02)^4}{(0.002)^2}$$

= $$\frac{2^4}{2^2}$$ * $$\frac{(10^3)^2}{(10^2)^4}$$

= 4 * $$\frac{10^6}{10^8}$$

= 4*$$\frac{1}{10^2}$$

= 0.04

Answer:- C
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Re: (0.02)^4/(0.002)^2 = ?  [#permalink]

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16 Nov 2015, 06:47
rewrite (2^4 * 10^-2)^4

and (2*10^-3)^2

this can be rewriten as:

2^4/2^2 * 10^-8/10^-6

or 2^2 * 10^-2
rewrite as:
4*10^-2 = 0.04

C
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Posts: 9207
Re: (0.02)^4/(0.002)^2 = ?  [#permalink]

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24 Oct 2017, 05:49
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Re: (0.02)^4/(0.002)^2 = ? &nbs [#permalink] 24 Oct 2017, 05:49
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# (0.02)^4/(0.002)^2 = ?

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