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8 December, 02:03

What is the approximate uncertainty in the area of a circle of radius 3.1*104cm? Express your answer using one significant figure. ΔA =

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  1. 8 December, 02:30
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    The area of a circle is expressed as:

    Area = πr²

    where r is the radius of the circle. This equation is used to calculate the area of the circle above. Calculation is as follows:

    A = π (3.1 x 10^4 cm) ² = 3.0 x 10^9 cm²
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