Дам много балов
Выполните:
1) 3 a ⋅ (-8)=
2) -5 ⋅ 3/10b=
3) -7 ⋅ (-3d)=
4) -8c ⋅ (-3/4d)=
5) 10m ⋅ (-0,5n)=
6) -9m ⋅ (-2/3n)=

Помогите пожалуйста Зарания спасибо