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Which of the following is the closest value of x such that [m]x^{20}+x
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08 Aug 2022, 10:58
08 Aug 2022, 10:58
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Question Stats:
90% (01:29) correct
10% (01:29) wrong based on 10 sessions
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Which of the following is the closest value of x such that \(x^{20}+x^2+0.0000019=0.09\)?
A. 0.1
B. 0.01
C. 0.3
D. 0.03
E. 0.003
A. 0.1
B. 0.01
C. 0.3
D. 0.03
E. 0.003
Part of the project: GRE QCQ & PS 3 Questions Every One DAILY Challenge - (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: Which of the following is the closest value of x such that [m]x^{20}+x
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09 Aug 2022, 03:20
09 Aug 2022, 03:20
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Answer is 0.3 based on approximation method. As RHS is 0.09, it is square of 0.3. Now for LHS, x^20 will be a very small value and combined with 0.0000019, the value will be very minimal. Hence, the answer would be 0.3.
gmatclubot
Re: Which of the following is the closest value of x such that [m]x^{20}+x [#permalink]
09 Aug 2022, 03:20
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