If 213 × 16 = 3408, then 1.6 × 21.3 is equal to :	Choose the correct choice from the following:
A) 0.3408
B) 3.408
C) 34.08
D) 340.8
E) none of these

Rationale: "solution 1.6 × 21.3 = ( 16 / 10 x 213 / 10 ) = ( 16 x 213 / 100 ) = 3408 / 100 = 34.08 . answer c"
Answer: C