Question

1. Use modular arithmetic to solve13^999 mod 10
2. Using Cryptography hashing Show how the ID number 1111111111111
of a student with 13 data items can be hash checked for storage errors
3. Show that casting out 3s is true for 73452 and 19548

Answer 1

Answer:

• s5d5s5DS4tyd5DS4d3d5digit5s5sfug855f7f6r7f7f8