Simplify.  A) (x/2m^4)^7 B) (5x/7y^2)^2

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lemjay | High School Teacher | (Level 2) Senior Educator

Posted on

To simplify these expressions, apply these three properties of exponents which are:

`(a/b)^m=a^m/b^m `  ,    `(ab)^m=a^mb^m`     and     `(a^m)^n=a^(m*n)` .








Hence,  `(x/(2m^4))^7=x^7/(128m^28) `    and   `((5x)/(7y^2))^2=(25x^2)/(49y^4)` .

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oldnick | (Level 1) Valedictorian

Posted on


`B) ((5x)/(7y^2))^2=(5x)^2/(7y^2)^2=(5^2x^2)/(7^2(y^2)^2)=(25x^2)/(49y^4)`

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