MCQ
The number of significant figures in $6.02 \times {10^{23}}$ is
  • A
    $23$
  • $3$
  • C
    $4$
  • D
    $26$

Answer

Correct option: B.
$3$
b
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 $6.02 \times 10^{23}$ contains $3$ significant figures.

All the three digits $(6,0$ and $2)$ are significant.

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