If (10^4 * 3.456789)^10 is written as a single term, how many digits would be to the right of the decimal place?
Answers
A) 12 B) 16 C) 20 D) 32 E) 48

Rationale: "3.456789 ^ 10 has 6 * 10 = 60 decimal places . 10 ^ 40 moves the decimal place to the right 40 places . ( 10 ^ 4 * 3.456789 ) ^ 10 has 60 - 40 = 20 digits after the decimal point . the answer is c ."
Answer: C