joannemedinilla
joannemedinilla
09-03-2017
Mathematics
contestada
help me please
i need this for now
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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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