We are given
Jim's backyard:
Length is

width is

Since, this is rectangle
so, we can find area of rectangle



Area of one sod:
length is

width is

Since, it is rectangle in shape
so,



Number of pieces of sod:
we can use formula
Number of pieces of sod = (area of Jim's backyard)/(area of one sod)

now, we can simplify it
pieces need ..............Answer
For a 95% confidence interval, the corresponding z-score is 1.96. Therefore the deviation will by 1.96*0.5 lbs = 0.98 lbs. Therefore, the confidence interval will be (5 - 0.98, 5 + 0.98), which is (4.02, 5.98). The weight range is from 4.02 lbs to 5.98 lbs.
It is 9*9 21 times so
9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9*9=
1.09418989e20 is the answer.
Answer:
The surface area is A≈96ft²
The maximum number of fish is going to be p(9) = 200