# How do you convert 1.8 * 10^6 ng to dg?

Sep 3, 2016

Well, there are ${10}^{9} \cdot n g$ in $1 \cdot g$. And $1 \cdot \mathrm{dg} = {10}^{-} 1 g$.

And thus $1.8 \times {10}^{6} \cdot n g \equiv 1.8 \times {10}^{-} 2 \cdot \mathrm{dg}$

#### Explanation:

So $1.8 \times {10}^{6} \cdot n g$ $=$ $1.8 \times {10}^{6} \times {10}^{-} 9 \cdot g = 1.8 \times {10}^{-} 3 \cdot g$

$1.8 \times {10}^{-} 3 \cdot \cancel{g} \times 10 \cdot \mathrm{dg} \cdot \cancel{{g}^{-} 1}$ $=$ $1.8 \times {10}^{-} 2 \cdot \mathrm{dg}$.

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