Statement-$1$: All reliable digits plus the first uncertain digit together are called significant figures.
Statement-$2$: Trailing zero$(s)$ in a number with a decimal point are never significant.

• A
  Both statement-$1$ and statement-$2$ are true
• B
  Both statement-$1$ and statement-$2$ are false
• C
  Statement-$1$ is true and statement-$2$ is false
• D
  Statement-$1$ is false and statement-$2$ is true