Brief Explanation:
Method: Using the standard multiplication algorithm, we multiply each digit of 101 by 9, starting from the ones place and carrying over.
Step-by-step Solution:
- Step 1: Multiply the ones digit (1) by 9: $$1 \times 9 = 9$$. Write down 9.
- Step 2: Multiply the tens digit (0) by 9: $$0 \times 9 = 0$$. Write down 0.
- Step 3: Multiply the hundreds digit (1) by 9: $$1 \times 9 = 9$$. Write down 9.
Answer: 909