Answer:
4x²
Step-by-step explanation:
Given expression:
[tex]\left(16x^4\right)^\frac{1}{2}[/tex]
Rewrite 16 as 4²:
[tex]\left(4^2x^4\right)^\frac{1}{2}[/tex]
[tex]\textsf{Apply exponent rule} \quad (a^b \cdot c^d)^n=a^{bn} \cdot c^{dn}[/tex]
[tex]\implies 4^{2 \cdot \frac{1}{2}} \cdot x^{4 \cdot \frac{1}{2}}[/tex]
Simplify:
[tex]\implies 4^{\frac{2}{2}} \cdot x^{\frac{4}{2}}[/tex]
[tex]\implies 4^{1} \cdot x^2}[/tex]
[tex]\implies 4x^2[/tex]