Question

please answer fast 4,5,6

Answer 1

4.
-1 / 10 ÷ - 8/5
-1/10 × -5/8
= 5/80
5.
-16/35 ÷ -15/14
-16/35 × -14/15
= 224/ 525

6.
-65/14 ÷ 13/7
= -65/14 × 7/13
= -5/2

Hope my answer helps you.