7.13 because you would need to add the decimals together
Answer:

Step-by-step explanation:

Look at the attached picture
Hope it will help you.
The answer is 4260, you can do 200 plus 60, then add to 4000
Answer:
C = 14 pi inches
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
49 pi = pi r^2
Divide each side by pi
49 pi/pi = pi /pi r^2
49 = r^2
Take the square root of each side
7 = r
The circumference is given by
C = 2 * pi *r
C = 2 * pi *7
C = 14 pi inches