20
There are 10 feet of posts on each side. That means there are 40 feet of fencing in total. If you divide that by two (to represent posts being 2 feet apart) then you get 20. There are 20 posts needed.
start with 396 , then subtract 60
Answer:
2.54×10^-3
Step-by-step explanation:
0.00254= 2.54×10^-3
The answer is A.
