Pls help ill give Brainliest!!

Answer:
See attached
Step-by-step explanation:
1) For each chart we will fill in 4 rows, as it says, to show 0.4 or 4/10
2) For this part, we will shade in 4 rows twice, or 8, as it says. This shows 0.4 being multiplied by 2.
b) 8/10 or 0.8 because we have shaded 8 out of the 10 rows, 8/10 = 0.8
c) 0.8 is our answer as we have found out from the above steps
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather