Question

1. Add :
(i) 2ab, -7ab, 2/5ab, 9ab​

Answer 1

Answer:

2ab + (-7ab) + 2/5ab + 9ab

2ab -7ab +2/5ab + 9ab

2ab - 7ab + 0.4ab +9ab

11.4ab - 7ab

4.4ab ans

Answer 2

Answer:

22/5ab

Step-by-step explanation:

adding the given terms

2ab + (-7ab) +2/5ab + 9ab

= -5ab +9sb +2/5ab

= 4ab + 2/5ab

= 22/5 ab