Four hundred milligrams is equal to how many grams?

Four hundred milligrams is equal to how many grams?

A.
4 g

B.
0.4 g

C.
400,000 g

D.
0.00004 g

Four hundred milligrams is equal to:

B. 0.4 g

To convert milligrams to grams, divide the number of milligrams by 1,000. So, 400 mg ÷ 1,000 = 0.4 g.

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