A)(1/4x^-2y^-3)^-2 B)(5x^-1/3y^-2)^2*15x^3y

Question

A)(1/4x^-2y^-3)^-2
B)(5x^-1/3y^-2)^2*15x^3y

Answer 1

( 1/4 X^-2 Y^- 3 ) ^ - 2 = 16 X^4 Y^6 
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( 5 X^- 1/3 Y ^ - 2 ) ^ 2 * 15 X^3 Y = ( 25 X^-2/3 Y^-4 ) * ( 15 X^3 Y ) =
= 375 X^ 7/3 Y^ - 3