# How would you convert 9 grams to decigrams?

$1 \cdot \text{decigram} = {10}^{-} 1 \cdot g$
And thus 9*g=(9*cancelg)/(10^-1*cancelg*"decigram"^-1)=(9)/((1/10)(1/"decigram"))
$= 90 \cdot \text{decigram.................}$