= -0.4x^5y^6z^2 * -1.2xyz^3= 0.48x^6y^6z^5
Therefore, the product of (-0.4x^5y^6z^2) and (-1.2xyz^3) is 0.48x^6y^6z^5.
= -0.4x^5y^6z^2 * -1.2xyz^3
= 0.48x^6y^6z^5
Therefore, the product of (-0.4x^5y^6z^2) and (-1.2xyz^3) is 0.48x^6y^6z^5.