Simplifying Exponential Expressions Using All Exponent Rules

6. Exponents and Polynomials / Simplifying Exponential Expressions Using All Exponent Rules / 문제 3

문제 3

Which expression correctly applies the power rules to $(2 x^{3} y^{- 2})^{2}$ ?

$4 x^{6} y^{- 4}$

$2 x^{6} y^{- 4}$

$4 x^{5} y^{- 2}$

$2 x^{5} y^{- 4}$

Which expression correctly applies the power rules to (2x3y−2)2(2x^3y^{-2})^2?