Question

Which of the following has three significant figures?

• A. $3.70$
• B. $6.23\times 10^{25}$
• C. $1.03$
• D. $0.052$

Answer 1

Answer: (A), (B), (C)

Leading zero or the zero placed to the left of the number are never significant. Thus, $0.052$ has two significant figures.