Question

42x^3 y^2 z^4÷16x^2 y^3 z^8

Answer 1

$21 x^1/8 y^1 z^4$ is the answer.

Explanation:

$42x^{3}  y^{2}  z^{4}/16x^{2} y^{3}  z^{8} = (42/16) x^{3-2}  y^{2-3} z^{4-8} = (21/8) x^1 y^-1 z^-4 = 21 x^1/8 y^1 z^4$