The table shows the approximate masses in kilograms of a dust particle and a specific comet. dust particle 0.000000000778 kg
comet 544000000000000 kg
Fill in the blanks based on the table.

The mass of the dust particle can be written in the form a × 10b kg, where a =
and b =
.

The mass of the comet can be written in the form of a × 10b kg, where a =
and b =
.