How many digits are in (8×10^10)(10×10^5)?  Choose the correct choice from the following answers
A) 17	B) 25	C) 26	D) 27	E) 28

Rationale: the question simplfies to ( 8 × 10 ^ 10 ) ( 10 ^ 6 ) = > 8 * 10 ^ 16 = > will contain 16 zeros + 1 digit 8 = > 17 ans a
Answer: A