What is greater 3 x 1/10 plus 4 x 1/100 plus 8x 1/1000 greater than one and two tenths

So, first let's change these numbers into decimal form:

3*0.1 + 4*0.01 + 8*0.001? 1.2

Multiply:

0.3 + 0.04 + 0.008? 1.2

0.348 < 1.2

One and two tenths is larger.

Hopefully this is what you're asking, as this question is unclear