WILLSMITH2814
WILLSMITH2814 WILLSMITH2814
  • 14-03-2017
  • Mathematics
contestada

What is the value of____ for x = 2 and y = –4?

The ___ is the picture

What is the value of for x 2 and y 4 The is the picture class=

Respuesta :

morgaine816
morgaine816 morgaine816
  • 14-03-2017
To get rid negative exponents you put them in the denominator of the fraction.  So you have:
[tex] \frac{1}{ ( \frac{1}{ 2^{2} } * \frac{1}{2^{3} } *-4^{5})}[/tex]
Then you flip the fractions on the bottom so you can multiply so you have:
[tex]- \frac{1}{ 4^{5} } * 2^{2} * 2^{3} [/tex]
Stick that in a calculator and you get -.03125

Hope that helps.  Feel free to ask any questions.


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