Q3. Assertion (A): Significant figures for 0.200 are 3 whereas for 200 it is 1. Reason (R): Zero at the end or right of a number is significant provided they are not on the right side of the decimal point. (1) Both A and R are true and R is the correct explanation of A. (ii) Both A and R are true but R is not a correct explanation of A. (iii) A is true but R is false. (iv) Both A and R are false.
Answer. Correct Option is (iii) A is true but R is false. Zero at the end or to the right of a number is significant if it is on the right side of the decimal point. For example, 0.200 has 3 significant figures.
