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The number [tex]27^{-\frac{2}{3} }[/tex], can be written in the form [tex]\frac{1}{\sqrt[A]{27^{B} } }[/tex]. What is the value of B?

1. [tex]\frac{2}{3}[/tex]
2. 3
3. -2
4. 2

Respuesta :

sqdancefan

Answer:

  4.  2

Step-by-step explanation:

The value of B in the expression is the numerator of the fraction in the exponent: 2.

[tex]27^{-\frac{2}{3}}=\dfrac{1}{\sqrt[3]{27^2}}[/tex]

_____

= 1/9

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