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=[ (2.7×6.022×405×405×405)/2.7]× 10³×10²³×10^-36×10²
=400042212.75×10^-8
=400042212.75/100000000
=4.0004221275
=400042212.75×10^-8
=400042212.75/100000000
=4.0004221275
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