Respuesta :

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  • Use Negative Power Rule: [tex]x^{-a} =\frac{1}{x^{a} } .[/tex]

[tex]\frac{1}{b^{4} }[/tex]   <------------- only expression created by this rule.

  • This is best possible, there should be answer displayed.
altavistard

Answer:

Step-by-step explanation:

The given expression should be typed as b^(-4), which indicates that variable b has the exponent -4.

Recall that:            

     

     1

------------- = a^(-n)

   a^n

                                        1

Therefore, b^(-4) =   --------------

                                     b^4

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