If n = 8^8 – 5, what is the units digit of n?  Choose the correct choice from the following answers:
A) 0 B) 1 C) 2 D) 3 E) 5
8 ^ 8 - 8 = 8 (8 ^ 7 - 1)   ==&gt; 8 (2 ^ 21 - 1)   Last digit of 2 ^ 21 is 2 based on what explanation LiveStronger is saying. 2 ^ 24 - 1 yields   2 - 1= 
<gadget id="calculator">  2 - 1</gadget>
<output>1</output>
1 as the unit digit. Now on multiply this with 5, we get unit digit as 5   Answer : 5
<result>E</result>
If n = 8^8 – 5, what is the units digit of n?