The number of significant figures in N0=6.022×1023 i.e., Avogadro's number, is :
three
four
twenty six
twenty seven
A
twenty seven
B
twenty six
C
three
D
four
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Solution
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When numbers are written in scientific notation, then the number of digits between 1 and 10 gives the number of significant figures. Thus, the number of significant figures in 6.022×1023 is 4.
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The number of significant figures in N0=6.022×1023 i.e., Avogadro's number, is :
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