Question

Which one of the following data has only four significant figures?

• A. $6.023\times 10^{23}$
• B. 285 cm
• C. 0.0025 L
• D. 0.200 g
• E. 1.0 x 10⁵ m

Answer 1

Answer: (A)

Correct answer is (a) $6.023\times 10^{23}$