Question

Express 2598 mg in kg.

Answer 1

We know that,
1000 mg = 1 g
$\Rightarrow 1mg=\frac{1}{1000}g$
$2598mg=\frac{2598}{1000}=2.598g$

1000 g = 1 kg
$\Rightarrow 1g=\frac{1}{1000}kg$
$2.598g=\frac{2.598}{1000}=\frac{2598}{1000000}=0.002598kg$