1) If 213 x 16 = 3408, then 1.6 x 21.3 is equal to : A) 3,408 B) 1.72 C) 34.08 D) 340.8 Answer: Option CExplanation:1.6x21.3 = $\frac{16}{10}\times\frac{213}{10}=\frac{16\times213}{10\times10}$Given ,16x213 = 3408 So,$\frac{16\times213}{10\times10}=\frac{3408}{100}$= 34.08