What is 7,548,392 rounded to 100

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Can someone me with these two circle theorem questions asap?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters