What is the unit’s digit of 7^5 Choose the correct choice from the following choices
A) 1 B) 3 C) 5 D) 7 E) 9
7^1=7   7^2=49   7^3=343   7^4=1(last digit)   7^5=7(last digit) and the cycle repeats after every 4 powers   Therefore, last digit of 7^5=7   Answer 7
<result>D</result>
What is the unit’s digit of 7^5