How do you convert 3.9 x 10^5 mg into decigrams?

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How do you convert 3.9 x 10^5 mg into decigrams?

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Answer 1 · 2015-07-20T00:33:19

The prefix $m$ $m$ (milli) means $\frac{1}{1000}$ $1/1000$ or $10^{- 3}$ $10^-3$

Deci (prefix $d$ $d$ ) means $\frac{1}{10}$ $1/10$ or $10^{- 1}$ $10^-1$

Explanation:

So $1000 m g = 1 g and 10 d g = 1 g \to 100 m g = 1 d g$ $1000mg=1gand 10dg=1g->100mg=1dg$
The conversion factor is: divide by $100 = 10^{2}$ $100=10^2$

$\frac{3.9 \cdot 10^{5}}{10^{2}} = 3.9 \cdot 10^{5 - 2} = 3.9 \cdot 10^{3} d g = 3900 d g$ $(3.9*10^5)/10^2=3.9*10^(5-2)=3.9*10^3dg = 3900dg$

Btw:
$d g$ $dg$ is hardly ever used. $m g, g, k g$ $mg,g,kg$ are the usual weight measures.
(and the metric ton for heavy stuff).

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How do you convert 3.9 x 10^5 mg into decigrams?

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