1.

Avogadro number is written as 602,000,000,000,000,000,000,000,  Express this number in standard form.

A. \[6.02\times {{10}^{23}}\]
B. \[6.02\times {{10}^{21}}\]
C. \[602.0\times {{10}^{21}}\]
D. \[0.602\times {{10}^{23}}\]
Answer» B. \[6.02\times {{10}^{21}}\]


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