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If r=0.345, s=(0.345)^2, and t=root(0.345), which of the

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Re: If r=0.345, s=(0.345)^2, and t=root(0.345), which of the [#permalink] New post 06 May 2012, 09:47
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Question Stats:

76% (01:34) correct 23% (00:33) wrong based on 26 sessions
If r=0.345, s=0.345^2, and t=\sqrt{0.345}, which of the following is the correct ordering of r, s, and t ?

A. r < s < t
B. r < t < s
C. s < t < r
D. s < r < t
E. t < r < s

If x is in the range 0<x<1 then: 0<x^2<x<\sqrt{x}<1.

Consider the simpler example: if x=\frac{1}{4} then 0<\frac{1}{16}<\frac{1}{4}<\frac{1}{2}<1.

So, s<r<t.

Answer: D.
[Reveal] Spoiler: OA

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Re: If r=0.345, s=(0.345)^2, and t=root(0.345), which of the   [#permalink] 06 May 2012, 09:47
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