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sqrt4 of 0.0001
[#permalink]
15 Feb 2022, 02:37
15 Feb 2022, 02:37
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Question Stats:
60% (00:58) correct
40% (00:45) wrong based on 25 sessions
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Quantity A |
Quantity B |
\(\sqrt[4]{0.0001}\) |
\(\sqrt{0.01}\) |
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.
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Joined: 10 Apr 2015
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Given Kudos: 136
sqrt4 of 0.0001
[#permalink]
15 Feb 2022, 06:38
15 Feb 2022, 06:38
1
Carcass wrote:
Quantity A |
Quantity B |
\(\sqrt[4]{0.0001}\) |
\(\sqrt{0.01}\) |
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.
Useful property: \(\sqrt[4]{x} = \sqrt{\sqrt{x}}\)
So, even though the on-screen calculator doesn't have a 4th root button, we can use the square root button TWICE to find the fourth root.
So...
QUANTITY A: \(\sqrt[4]{0.0001} = \sqrt{\sqrt{0.0001}}\)
\( = \sqrt{0.01}\)
\( = 0.1\)
QUANTITY B: \(\sqrt{0.01}=0.1\)
Answer: C
gmatclubot
sqrt4 of 0.0001 [#permalink]
15 Feb 2022, 06:38
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