Question

Даю 100 баллов

1) 3a ∙ 0,5b ∙ 4с

2) -2 2/3 m^4 ∙ 9mn^3

Answer 1

$\displaystyle 1)3a*0,5b*4c=3a*2bc=6abc\\\\ 2)-2\frac{2}{3}m^4*9mn^3=-\frac{8}{3}m^4*9mn^3=-8m^4*3mn^3=-24m^5n^3$