Find the digit in the units place of 2¹¹⁵.

Note: you must give your answer and explain how you found it. Answers without reasons will receive 0 points.

Solutions will be accepted till 5 PM Friday, September 30. You can give your solution either to Dominique Banner or to Maria Nogin (PB 341; slip your paper under the door if no one is in).

Please write on your paper:

• your name
• e-mail address
• date and time of submission

Questions? Email Dominique Banner at dbanner@csufresno.edu