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# Which of the following fractions has a decimal equivalent

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Intern
Joined: 12 Mar 2004
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Which of the following fractions has a decimal equivalent [#permalink]

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08 Dec 2004, 04:22
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Which of the following fractions has a decimal equivalent that is a terminating decimal?

A. 10/189

B. 15/196

C. 16/225

D. 25/144

E. 29/128

Is there any quick way to solve this problem?

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Intern
Joined: 08 Nov 2004
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Location: Montreal

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08 Dec 2004, 05:28
Denominator should have factors of 2, 5, or both...

(E)
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Manager
Joined: 31 Aug 2004
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08 Dec 2004, 13:43
Sorry, can anyone explain what is a terminating decimal?

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Director
Joined: 07 Nov 2004
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08 Dec 2004, 14:33
jinino wrote:
Sorry, can anyone explain what is a terminating decimal?

jinino, a terminating decimal has finite number of digits after the decimal point. Ex: 10/8 = 1.25

Look at 1/3 =0.3333 is a non terminating or repeating decimal as the 3 contunues on.

http://mathforum.org/library/drmath/view/58174.html

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08 Dec 2004, 14:33
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