which expression is equivalent to $(16x^{8}y^{-12})^{\frac{1}{2}}$?\n- $-4x^{4}y^{6}$\n- $-8x^{4}y^{6}$\n…

which expression is equivalent to $(16x^{8}y^{-12})^{\frac{1}{2}}$?\n- $-4x^{4}y^{6}$\n- $-8x^{4}y^{6}$\n- $\frac{4x^{4}}{y^{6}}$\n- $\frac{8x^{4}}{y^{6}}$
Answer
Answer:
C. $\frac{4x^{4}}{y^{6}}$
Explanation:
Step1: Apply power - of - a - product rule
$(16x^{8}y^{- 12})^{\frac{1}{2}}=16^{\frac{1}{2}}(x^{8})^{\frac{1}{2}}(y^{-12})^{\frac{1}{2}}$
Step2: Calculate $16^{\frac{1}{2}}$
$16^{\frac{1}{2}}=\sqrt{16}=4$
Step3: Apply power - of - a - power rule for $x$ and $y$ terms
$(x^{8})^{\frac{1}{2}}=x^{8\times\frac{1}{2}} = x^{4}$; $(y^{-12})^{\frac{1}{2}}=y^{-12\times\frac{1}{2}}=y^{-6}=\frac{1}{y^{6}}$
Step4: Combine the results
$4x^{4}\times\frac{1}{y^{6}}=\frac{4x^{4}}{y^{6}}$