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Mathematics 9 Online
OpenStudy (anonymous):

Wich of the following is not equal to 1/25? A.5^5x5^0x5x5^-4 B.5^2x5^-6x5^3x5^-1 C.5x5^0x5^-1x5^-2 D.5^6x5^-10x5^3x5^-1

OpenStudy (anonymous):

A

OpenStudy (anonymous):

simplify all , base is same , so add the powers :D

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