Question

2. (10 points) Let n be a positive integer. Prove that there is a positive integer k such that the integer $n cdot k$ has no digits other than 0 and 2 in its decimal presentation.

Name: 2. (10 points) Let n be a positive integer. Prove that there is a positive integer k such that the integer n cdot k has no digits other than 0 and 2 in its decimal presentation.
Uploaded: 2023-01-15T01:09:00-08:00
Duration: 2 min 7 s
Channel: Sri K
Description: 2. (10 points) Let n be a positive integer. Prove that there is a positive integer k such that the integer n cdot k has no digits other than 0 and 2 in its decimal presentation.

          2. (10 points) Let n be a positive integer. Prove that there is a positive integer k such that the integer $n cdot k$ has no digits other than 0 and 2 in its decimal presentation.