Answer:

Step-by-step explanation:
The length of a chalkboard, l = 1.7
The width of a chalkboard, b = 0.9 m
We need to find the area of the chalkboard. The formula for the area of a rectangle is given by :

So, the area of the chalkboard is equal to
.
Answer:
Yeah it is correct
Step-by-step explanation:
you have already given your answer in the question!
Answer:
option 4
Step-by-step explanation:
Answer:

Step-by-step explanation:
2/3 = 0.6 repeating
3/7 = 0.42857