Question

PLEASE HELP I GIVE BRAINLIEST PLEASE

Answer 1

$\frac{1}{x^{21}y^{12}}$Simplify within ... remember to subtract exponents when dividing

$x^{-3-4}=x^{-7}$  ← simplifying x
$y^{2-6}=y^{-4}$   ← simplifying y

$( \frac{(x^{-3})(y^{2})}{(x^4)(y^6)})^3=(x^{-7})^3(y^{-4})^3=x^{-21}y^{-12}$

Negative exponents require you to flip the base if you want a positive exponent.
The correct answer is B
$\frac{1}{ x^{21} y^{12} }$