Question

Assertion (A) Significant figures for $0.200$ is $3$ , whereas for $200$ it is $1 .$
Reason (R) Zero at the end or right of a number are significant provided they are not on the right side of the decimal point.

• A. Both $A$ and $R$ are correct; $R$ is the correct explanation of $A$.
• B. Both $A$ and $R$ are correct; $R$ is not the correct explanation of $A$.
• C. $A$ is correct; $R$ is incorrect.
• D. $A$ is incorrect; $R$ is correct.

Answer 1

Answer: (C)

Zeroes at the end or right of a number are significant provided they are on the right side of the decimal point. As per the above principle, significant figure for $0.200$ is $3$ while for $200$ it is $1$.
Thus, $A$ is correct but $R$ is incorrect.