Evaluate
25480000\pi \epsilon _{0}
Differentiate w.r.t. ε_0
25480000\pi
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25480\pi \epsilon _{0}\times 10^{3}
Multiply 4 and 6370 to get 25480.
25480\pi \epsilon _{0}\times 1000
Calculate 10 to the power of 3 and get 1000.
25480000\pi \epsilon _{0}
Multiply 25480 and 1000 to get 25480000.
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