2. It is known that the product of a natural number and 199 ends with 44447777. What number should be added before 4447777 to make this multiplication effective?
3. It is known that the end of the product of a natural number and 297 is 2222111. What is the minimum number of this natural number to establish this multiplication?
The end of the product of a natural number and 198 is 336666. What is the minimum number of this natural number to establish this multiplication?
5. The product of natural number and 396 is 1357902468. What is the minimum number of this natural number to establish this multiplication?
6. The product of natural number and 398 is 1357902468. What is the minimum number of this natural number to establish this multiplication?
7. The result of multiplying the natural number by 699 is 337777. What is the minimum number of this natural number that makes this multiplication effective?
8. The result of multiplying the natural number by 80 1 is 99999999. What is the minimum number of this natural number for this multiplication to be effective?
9. The result of multiplying the natural number by 602 is 888888888. What is the minimum number of this natural number to establish this multiplication?
10, the result of multiplying a natural number by 2 103 is1111/kloc-0. For this multiplication to be effective,