The value of 0.98 – 0.989 with regard to the significant digit will be

Q. The value of 0.98 – 0.989 with regard to the significant digit will be:

1. 0.001
2. 0.010 × 10-1
3. 0.01 × 10-1
4. None of these

Answer: 0.01 × 10-1