Rewrite (10^38) – 85 as a base 10 integer, what is the sum of the digits in that integer?  Choose the correct choice from the following answers:
A) 354
B) 357
C) 330
D) 370
E) 360

Rationale: we know that ( 10 ^ 38 ) is ending 00 , so ( 10 ^ 38 ) – 85 = 9 . . . . 9915 total number of digits in ( 10 ^ 38 ) – 85 is 38 , or 36 digits of 9 and two digits 1 and 5 . answer choice is 36 * 9 + 6 = 330 answer is c 330
Answer: C