Question

What is the prime factorization of 81m^2 x^3? A) 9^2 • m^2 • x^3 B) 3^3 • m^2 • x^3 C) 3^3 • m • x D) 3^4 • m^2 • x^3

Answer 1

$81m^2x^3=3^4\cdot m^2\cdot x^3\to\boxed{D.}$