Avogadro's number is $6.02 \times10^23$. If it written in usual form how many zeros will be followed by 2?
Given :
Avogadro's number is $6.02 \times 10^23$.
To find :
We have to find how many zeros will be followed by 2 if it is written in usual form.
Solution :
Avogadro's number is $6.02 \times 10^23$.
$6.02 \times 10^23 = 6.02 \times 10^2 \times10^21 =602 \times 10^21$ .
Therefore,
If it written in usual form, 21 zeros would follow the number 2.
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