The radius of a circle is 2 miles. What is the circumference?Give the exact answer in simplest form. ____ miles (pi/fraction)

The formula for the circumference of a circle is :
[tex]C=2\pi r[/tex]Where r is the radius of the circle which is equal to 2 miles
The circumference will be :
[tex]C=2\pi(2)[/tex][tex]C=4\pi[/tex]The answer is 4π miles or 12.56 miles in decimal