Dallascowboys90
Dallascowboys90 Dallascowboys90
  • 24-05-2017
  • Mathematics
contestada

write (27a^-9)^2/3 in simplest form

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KatelynAP26 KatelynAP26
  • 24-05-2017
2 to the second power times a to the negative four power 
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four times a to the negative four power

2(2)*a(-4)
-----------
4a(-4)

Or if you can't use negatives

4
----
a(4)

Four overtop a to the fourth power 

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