Answer:
Explanation:
[tex]\left(3x^4\right)^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \left(a\cdot \:b\right)^n=a^nb^n\\\\\left(3x^4\right)^2=3^2\left(x^4\right)^2\\\\3^2=9\\\\=9\left(x^4\right)^2\\\\\mathrm{Simplify\:}\left(x^4\right)^2:\quad x^8\\\\=9x^8[/tex]
