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n = 0.00025 × 10^4 and m = 0.005 × 10^2

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n = 0.00025 × 10^4 and m = 0.005 × 10^2 [#permalink] New post 25 Aug 2018, 15:05
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Question Stats:

89% (00:34) correct 10% (00:52) wrong based on 86 sessions
\(n = 0.00025 \times 10^4\) and \(m = 0.005 \times 10^2\)

Quantity A
Quantity B
\(\frac{n}{m}\)
\(0.5\)


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.
[Reveal] Spoiler: OA

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Re: n = 0.00025 × 10^4 and m = 0.005 × 10^2 [#permalink] New post 29 Aug 2018, 07:04
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Expert's post
sandy wrote:
\(n = 0.00025 \times 10^4\) and \(m = 0.005 \times 10^2\)

Quantity A
Quantity B
\(\frac{n}{m}\)
\(0.5\)


A)The quantity in Column A is greater.
B)The quantity in Column B is greater.
C)The two quantities are equal.
D)The relationship cannot be determined from the information given.


GIVEN: n = 0.00025 x 10^4
Move the decimal point 4 spaces to the RIGHT to get: n = 2.5

GIVEN: m = 0.005 x 10^2
Move the decimal point 2 spaces to the RIGHT to get: m = 0.5

We get:
Quantity A: 2.5/0.5
Quantity B: 0.5

Evaluate:
Quantity A: 5
Quantity B: 0.5

Answer: A
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Re: n = 0.00025 × 10^4 and m = 0.005 × 10^2 [#permalink] New post 20 Aug 2020, 20:18
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0.00025*10^4 / 0.005*10^2 = (25*10^-5)*10^4/(5*10^-3)*10^2
=(25/5)*(10^-5+4)/10^-3+2
=5*10/10=5
Re: n = 0.00025 × 10^4 and m = 0.005 × 10^2   [#permalink] 20 Aug 2020, 20:18
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n = 0.00025 × 10^4 and m = 0.005 × 10^2

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