Which of the following have same number of significant figures : (A) \( 6.02 \times 10^{+23} \) ...

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Which of the following have same number of significant figures :
(A) \( 6.02 \times 10^{+23} \)
(B) \( 9.31 \times 10^{-31} \)
(C) \( 1.66 \times 10^{-24} \)
(D) \( 0.050 \)
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