Question

The following values have same significant figures, EXCEPT ______.

Options

• 4.008

• 6.022 × 10²³ 

• 7555

• 0.0034

Answer 1

The following values have same significant figures, EXCEPT 0.0034.

Explanation:

(A) 4.008 has four significant figures because the zeros between the non-zero digits are significant.

(B) 6.022 × 10²³  has four significant figures because only the first term gives the significant figures and exponential term is not considered.

(C) 7555 has four significant figures as all are non-zero digits.

(D) 0.0034 has two significant figures because the zeros on the left of the first non-zero digit are not significant.