Answer:
5 mg, [tex]5\cdot 10^{-3}g[/tex]
Explanation:
First of all, let's rewrite the mass in grams using scientific notation.
we have:
m = 0.005 g
To rewrite it in scientific notation, we must count by how many digits we have to move the dot on the right - in this case three. So in scientific notation is
[tex]m=5\cdot 10^{-3}g[/tex]
If we want to convert into milligrams, we must remind that
1 g = 1000 mg
So we can use the proportion
[tex]1 g : 1000 mg = 0.005 g : x[/tex]
and we find
[tex]x=\frac{(1000 mg)(0.005 g)}{1 g}=5 mg[/tex]
