MCQ
The number of significant figures in $6.02 \times {10^{23}}$ is
- A$23$
- ✓$3$
- C$4$
- D$26$
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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(Given molar mass in $\mathrm{g} \mathrm{mol}^{-1}{CaCO}_3: 100, \mathrm{MgCO}_3: 84)$