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-2^3/2

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sandy
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-2^3/2 [#permalink] New post   19 May 2018, 11:59
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Question Stats:

87% (00:13) correct 12% (00:14) wrong based on 110 sessions

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Quantity A
Quantity B
\(-\frac{2^3}{2}\)
\((-2)^2\)


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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B
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sandy
Retired Moderator
Joined: 07 Jun 2014
Posts: 4815
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GRE 1: Q167 V156
WE:Business Development (Energy and Utilities)
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Re: -2^3/2 [#permalink] New post   28 May 2018, 13:05
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Explanation

In Quantity A, the exponent should be computed before taking the negative of the value—in accordance with PEMDAS.

In Quantity B:

\((-2)^2 = (-2)(-2) = 4\)

Hence option B is correct!
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gmatclubot
Re: -2^3/2 [#permalink]
28 May 2018, 13:05
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