Question

-3x³y*0,6xy²*(-5x³y⁴)
100xy*0,3(в 6 степени) у²*(-0,2у⁴)

Answer 1

$-3x^3y\cdot0.6xy^2(-5x^3y^4)=9x^7y^7$

$100xy\cdot0.3^6y^2(-0.2y^4)=-20\cdot0.000729xy^7=-0.01458xy^7$