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The value of the cube root of \(-89\) is:

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by Gmat_mission » Wed Jun 24, 2020 7:59 am
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The value of the cube root of \(-89\) is:

A. Between -9 and 10
B. Between -8 and -9
C. Between -4 and 5
D. Between -3 and 4
E. Undefined

[spoiler]OA=A [/spoiler]

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Re: The value of the cube root of \(-89\) is:

by Scott@TargetTestPrep » Mon Jun 29, 2020 5:57 am
Gmat_mission wrote: ↑
Wed Jun 24, 2020 7:59 am
 The value of the cube root of \(-89\) is:

A. Between -9 and 10
B. Between -8 and -9
C. Between -4 and 5
D. Between -3 and 4
E. Undefined

[spoiler]OA=A [/spoiler]

Source: Official Guide
Solution:

Since the cube root of -64 is -4 and that of -125 is -5 and -89 is between -64 and -125, then its cube root is between -4 and -5. The only answer choice which includes a value between -4 and -5 is A.

Answer: A

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