joannemedinilla joannemedinilla

09-03-2017
Mathematics

Answered

help me please

i need this for now

help me please i need this for now class=

Verified Answer :

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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