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The radius of the earth is approximately $6.37\times10^6\ m$. Find the circumference in kilometers.
Given: The radius of the earth is approximately $6.37\times10^6\ m$.
To do: To find the circumference in kilometers.
Solution:
Radius of the Earth of the Earth $R=(6.37×10^6\ m)(10^{−3}\ km)$
$=6.37×10^3\ km$
Circumference $=2\pi R$
$=2\pi(6.37×10^3\ km)$
$=4.00×10^4\ km$.
Thus, the circumference of the earth is $4.00×10^4\ km$.
Updated on: 10-Oct-2022
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