Assertion: The number `1.202 `has four significant figure and the number `0.0024` has two significant figure.
Reason: All the zero digits are significant.
A. if both assertion and reason are true reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation fo assertion.
C. If assertion is true but reaso is false.
D. IF both assertion and reason are false.