1) 3 800 ⋅ 9
3800 x 9 ------ 34200
2) 4 ⋅ 7 168
7168 x 4 ------ 28672
3) 30 560 ⋅ 3
30560 x 3 ------ 91680
Ответ: 3 800 ⋅ 9 = 34 200; 4 ⋅ 7 168 = 28 672; 30 560 ⋅ 3 = 91 680