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What positive number, when squared, is equal to the cube of the positi
[#permalink]
20 Dec 2015, 05:09
20 Dec 2015, 05:09
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Expert Reply
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A
B
C
D
E
Difficulty:
15%
(low)
Question Stats:
75% (00:45) correct
25%
(01:01)
wrong
based on 220
sessions
What positive number, when squared, is equal to the cube of the positive square root of 16?
A. 64
B. 32
C. 8
D. 4
E. 2
A. 64
B. 32
C. 8
D. 4
E. 2
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Re: What positive number, when squared, is equal to the cube of the positi
[#permalink]
20 Dec 2015, 05:16
20 Dec 2015, 05:16
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Let the positive number be x
x^2 = ((16)^(1/2))^3
=>x^2 = 4^3 = 64
=> x = 8
Answer C
x^2 = ((16)^(1/2))^3
=>x^2 = 4^3 = 64
=> x = 8
Answer C
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Re: What positive number, when squared, is equal to the cube of the positi
[#permalink]
14 Aug 2019, 20:16
14 Aug 2019, 20:16
Expert Reply
Bunuel wrote:
What positive number, when squared, is equal to the cube of the positive square root of 16?
A. 64
B. 32
C. 8
D. 4
E. 2
A. 64
B. 32
C. 8
D. 4
E. 2
We can create the equation:
x^2 = (√16)^3
x^2 = 4^3
x^2 = 64
x = 8
Answer: C
