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If a = -0.3, which of the following is true?

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If a = -0.3, which of the following is true? [#permalink] New post 28 May 2020, 07:13
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Founder
Founder
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Joined: 18 Apr 2015
Posts: 13892
GRE 1: Q160 V160
Followers: 313

Kudos [?]: 3676 [0], given: 12919

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Re: If a = -0.3, which of the following is true? [#permalink] New post 28 May 2020, 07:13
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Re: If a = -0.3, which of the following is true? [#permalink] New post 28 May 2020, 08:22
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Carcass wrote:
If \(a = -0.3\), which of the following is true?

(A) \(a < a^2 < a^3\)
(B) \(a < a^3 < a^2\)
(C) \(a^2 < a < a^3\)
(D) \(a^2 < a^3 < a\)
(E) \(a^3 < a < a^2\)


If a = -0.3, then:
a = -0.3
a² = (-0.3)(-0.3) = 0.09
a³ = (-0.3)(-0.3)(-0.3) = -0.027

If we order these values, we get: -0.3 < -0.027 < 0.09
In other words, a < a³ < a²
Answer: B

Cheers,
Brent
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Brent Hanneson – Creator of greenlighttestprep.com
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Re: If a = -0.3, which of the following is true?   [#permalink] 28 May 2020, 08:22
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If a = -0.3, which of the following is true?

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