1. What is the final product of $312 \times 25$ when found by adding all its partial products?
2. The sum of five of the six partial products for $152 \times 41$ is 2232. If the final product is 6232, what is the value of the missing partial product? The missing partial product is ___.
3. After calculating all the partial products for a multiplication problem, what is the final step to find the total product?
4. A farmer has 23 rows of corn with 457 corn stalks in each row. What is the total number of corn stalks? ___
5. A factory produces 275 toy cars every hour. If the factory runs for 24 hours a day, how many toy cars does it produce in one day?
6. When calculating the product of $582 \times 34$, what is the value of the partial product obtained by multiplying 582 by the tens digit of 34? ___
7. Which of the following is the most reasonable estimate for the product of $496 \times 52$?
8. An airline flies 18 flights per day, with each flight carrying 215 passengers. How many passengers does the airline carry in a total of 7 days? ___ passengers