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Physics, 18.04.2020 12:49 yoboi33

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1. The radius of Earth is 6370000 m. Express this measurement in km in
scientific notation with the correct number of significant digits.
a) 6.37 x 100 km
b) 637 x 103 km
c) 6.37 x 103 km
d) 63.7 X 104 km

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