Помогите пожалуйста номер 1089

1)
3 / 4 × 100 = 3 × 25 = 75
7 / 20 × 100 = 7 × 5 = 35
9 / 25 × 100 = 9 × 4 = 36
13 / 10 × 100 = 13 × 10 = 130
7 / 2 × 100 = 7 × 50 = 350
21 / 4 × 100 = 21 × 25 = 525
2)
1,8 × 100 = 180
0,27 × 100 = 27
0,05 × 100 = 5
6,72 × 100 = 672
9,03 × 100 = 903
9,9 × 100 = 990