Step-by-step explanation: The complete answer is 11.3272727273, which rounded to the thousand is 11.327. If the number is less than 5, it is always rounded lower, or stays the same, ie 12.45 would be rounded as 12.5, and 12.44 would be rounded as 12.4.
In this case, you first need to think about what is the formula for the circumference of a circle. <span>The formula for the circumference of a circle is 2 * PI * r, where r is the radius of the circle, and PI is the mathematical constant approximately equal to 3.14.
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