Which of the following uses the correct formula to find the approximate circumference of a circle that has a radius of 450?

Question

C≈3.14⋅150

C≈2⋅3.14⋅450

C≈3.14⋅450^2

C≈3.14⋅450÷2

Please answer this correctly. Thank you.

Answer 1

C≈2⋅3.14⋅450