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06-09-2020
Physics

contestada

What is the area of a circle of a radius 4.1×10^4 cm

Respuesta :

0220171954 0220171954

06-09-2020

Answer:

128805.2988 cm squared or 128000 to 3 significant figures.

Explanation:

Area of a circle : pi times radius squared or [tex]r^{2} \pi[/tex]

pi times 4.1×10^4 cm = 41000 pi or 128805.2988

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