What is 0.03 in simplest form?

Well .03 is equal to 3/100 so it is already in simplest form

Fraction Form: 3/100
Expanded Form: 0+0.0+0.03
Word Form: 3 hundredths

The cover would be a circle, and to find the area, the formula would be (pi)r^2. r stands for the radius, and a diameter(which is 7 for this problem) divided by 2 equals the radius.
the radius would be 3.5ft, because 7/2 is 3.5.
you would use the radius inside the formula:

a=(pi)r^2
a=(3.14)(3.5)^2
a=38.465

38.465 rounded would be 38.5ftsquared