Question

Select the numbers with same significant figures:

• A. $6.02\times {10}^{23}$
• B. $0.25$
• C. $6.60\times {10}^{-34}$
• D. $1.50$

Answer 1

Answer: (A), (C), (D)

$6.02\times {10}^{23}$
$6.60\times {10}^{-34}$
$1.50$

In $A:-$ Significant figures $=6,0,2\Rightarrow 3$ figures

In $B:-$ Significant figures $=2,5\Rightarrow 2$ figures

In $C:-$ Significant figure $=6,6,0\Rightarrow 3$ figures

In $D:-$ Significant figures $=1,5,0\Rightarrow 3$ figures

Therefore, $\left(A\right),\left(C\right)$ and $\left(D\right)$ have same significant figure.