Worldprofessor6252
06.09.2020 •
Physics
What is the area of a circle of a radius 4.1×10^4 cm
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Ответ:
128805.2988 cm squared or 128000 to 3 significant figures.
Explanation:
Area of a circle : pi times radius squared or
pi times 4.1×10^4 cm = 41000 pi or 128805.2988
Ответ:
A,C
Explanation: