$9.80 \div 20 = 0.49$

So, the answer is 0.49.

Would you like more details on the division process, or do you have any questions?

Related Questions

1. How would you calculate $15.75 \div 25$?
2. What is the result of $4.50 \div 10$?
3. How does dividing by 10, 20, 25, etc., compare to dividing by smaller numbers?
4. How can you estimate division results for decimals quickly?
5. How would you solve $3.24 \div 6$?

Tip: To divide decimals, you can shift the decimal point if it makes the calculation easier (e.g., treat $9.80 \div 20$ as $980 \div 2000$).