What is the last digit of 13^35?	Choose the correct choice from the following choices
A) 5 B) 7 C) 6 D) 8 E) 9
explanation:   Let’s begin by looking for a pattern as we increase the exponent.   13^1 = 13 (units digit is 3)   13^2 = 169 (units digit is 9)   13^3 = 2197 (units digit is 7)   Notice that a nice pattern emerges. We get: 3-9-7-1-3-9-7-1-3-9-7-1-…   Whenever n is a multiple of 4, the units digit of 13^n is 1   The units digit of 13^35 is 7   Answer is 7
<result>B</result>
What is the last digit of 13^35?