47.1
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To find the area of a circle with a radius of 47.1, you would use the formula A = πr^2, where A is the area and r is the radius. Plugging in 47.1 for the radius, the calculation would be A = π(47.1)^2. This equals approximately 6983.9 square units. When rounded to the nearest tenth, the area of the circle would be 6983.9.
Well, isn't that just a happy little question! When we round 47.1 to the nearest tenth, it becomes 47.1 itself. So the area of 47.1 remains the same when rounded to the nearest tenth. Just remember, there are no mistakes in rounding, just happy little approximations!