Question

What is the number of significant figures obtained after addition of $4.523,2.3$ and $6.24$?

• A. Two
• B. Three
• C. Four
• D. Five

Answer 1

Answer: (A)

Two

Addition of $4.523,2.3$ and $6.24$ will have a significant figure equal to the minimum number of the significant figure present in one of the added number.

Since here $2.3$ has the minimum number of significant figures equal to $2$.

Hence, option $A$ is correct.