Question

which of the following values has 3 significant figures? a. 13.7 b. 13 c. 1.3 d. all of the above

Explanation:

Step1: Count significant figures for A

For \(13.7\), non - zero digits are significant. So it has 3 significant figures.

Step2: Count significant figures for B

For \(13\), non - zero digits are significant. It has 2 significant figures.

Step3: Count significant figures for C

For \(1.3\), non - zero digits are significant. It has 2 significant figures.

Answer:

A. 13.7