If n = 8^11 – 1, what is the units digit of n?
Choices.
A) 3  B) 1  C) 0  D) 6  E) 4
8 ^ 11 - 8 = 8 (8 ^ 10 - 1)   ==&gt; 8 (2 ^ 30 - 1)   Last digit of 2 ^ 30 is 4 based on what explanation LiveStronger is saying. 2 ^ 30 - 1 yields   4 - 1= 
<gadget id="calculator">  4 - 1</gadget>
<output>3</output>
3 as the unit digit. Now on multiply this with 1, we get unit digit as 3.   3nswer : 3
<result>A</result>
If n = 8^11 – 1, what is the units digit of n?