Assertion (A) The number 0.00764 has three significant figures. Reason (R) If the number is less than 1 , the zeros on the right of the decimal point but to the left of the first non-zero digit are not significant.

• Correct answer
  A

  Both \((A)\) and \((R)\) are true and \((R)\) is the correct explanation of \((A)\).
• B

  Both \((A)\) and \((R)\) are true but \((R)\) is not the correct explanation of \((A)\).
• C

  \((A)\) is true but \((R)\) is false.
• D

  (A) is false but \((R)\) is true.

Hence, the correct answer is option: 'A'.