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goldfiish
[28.3K]
3 years ago
14
What is the approximate uncertainty in the area of a circle of radius 3.1×104cm? Express your answer using one significant figur
e. ΔA =
Mathematics
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answer:
Otrada
[13]
3 years ago
4
0
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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