milligram is the milli- prefix (m) to the gram unit (g); it is written as mg.
eg 5 milligrams is 5 mg.
1 mg
You would write it as 22,000,000,000,000.
You would write it as "2 hours"
Today we would write it out as XLV
You would write $5,030
1 mg
23 mg.
0.06 mg
You can write two-tenths of a milligram as 0.2 mg.
You would write it as 22,000,000,000,000.
1 mg
I would write it like this 5,000,000.
You would write it as "2 hours"
Today we would write it out as XLV
318
In numbers, 313.9 million would be 313,900,000.
You would write $5,030