If (10^4 * 3.456789)^14 is written as a single term, how many digits would be to the right of the decimal place?
Pick one
A) 9
B) 14
C) 21
D) 28
E) 42

Rationale: 3.456789 ^ 14 has 6 * 14 = 84 decimal places . 10 ^ 56 moves the decimal place to the right 56 places . ( 10 ^ 4 * 3.456789 ) ^ 14 has 84 - 56 = 28 digits after the decimal point . the answer is d .
Answer: D