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-2^3/2
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19 May 2018, 11:59
19 May 2018, 11:59
Expert Reply
00:00
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.
Re: -2^3/2
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28 May 2018, 13:05
28 May 2018, 13:05
Expert Reply
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!
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!
gmatclubot
Re: -2^3/2 [#permalink]
28 May 2018, 13:05
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