The units digit of (10)^(87) + (5)^(46) is:  Choose the correct choice from the following answers:
A) 2 B) 4 C) 6 D) 8 E) 0

Rationale: "any power of anything ending in 5 always has a units digit of 5 . so the first term has a units digit of 5 . done . the second term anything power to 10 unit digit will be zero then 5 + 0 = 5 , e"
Answer: E