joannemedinilla
joannemedinilla joannemedinilla
  • 09-03-2017
  • Mathematics
contestada

help me please
i need this for now

help me please i need this for now class=

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Nirina7
Nirina7 Nirina7
  • 16-03-2017
the main property is  as follow
(A^p)^q=A^pxq
so only Sam's work is correct because
(8^4)^5 x(7^3)^9=(8^4x5)x(7^3x9)=8^20x 7^27
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